Zinc for Skin: What It Is, Benefits, and How It Works

The T-zone shine that keeps standing out in the mirror, sebum that quickly builds back up no matter how thoroughly you cleanse, small blemish marks that recur with every change of season. If you have been carrying these concerns for a while, keywords like "sebum control," "blemish care," and "calming sensitive texture" naturally come to mind. One ingredient family frequently used in cosmetic formulations for these concerns is zinc and its compounds. Zinc is not a single molecule but is used in various salt forms such as Zinc PCA, Zinc Gluconate, Zinc Sulfate, and Zinc Oxide, and depending on the form, different modes of action have been reported—such as 5α-reductase inhibition, regulation of sebaceous activity, support for microbial balance, and soothing support. [1][2][3][8][14]

Zinc is an essential trace element that has long been studied in the fields of dermatology and nutrition, but the effects experienced through medical use and through cosmetics differ in nature. For those bothered by sebum and shine, those whose skin texture is unsettled by recurring blemishes, and those who want to choose cosmetics based on the ingredient list, we introduce Zinc for skincare from the perspective of a cosmetic ingredient.

Zinc at a Glance

Category	Key Summary	Check Point
Ingredient Name	Zinc cosmetic ingredient family	Labeled in various salt forms such as Zinc PCA, Zinc Gluconate, Zinc Sulfate, Zinc Oxide, and Zinc Aspartate [4][5]
Ingredient Classification	Inorganic/metal active ingredient (trace mineral); skin conditioning agent/microbial balance support	Listed in cosmetic ingredient databases with Skin Conditioning and Antimicrobial functions [4][5]
Source	Refined from minerals (sphalerite, zincite) or synthetic salts	Elemental zinc is refined and combined with gluconic acid, pyrrolidone carboxylic acid, sulfuric acid, and similar into salt forms for cosmetic use [3][5][7][8][14]
Expected Skin Benefits	Balancing sebum and oil, supporting the appearance of blemish marks, surface stabilization after environmental stress, refining skin texture condition	Gradually perceived through consistent use rather than immediate change
Functions in Research	Regulation of sebaceous gland activity/5α-reductase inhibition, inhibition of microbes such as C. acnes, easing the flow of inflammatory factors such as TNF-α and IL-6, support for keratinocyte migration and re-epithelialization [1][2][6]	Based on medical, cellular, and clinical models; cosmetic results vary by individual
Suitable Skin Types	Skin bothered by sebum and shine, skin with recurring blemishes and breakouts [1][6], skin where pores appear prominent, skin easily unsettled by environmental stress	Consultation with a specialist is recommended for specific skin conditions
Precautions	In cosmetics, water-soluble zinc compounds are used within a concentration range of up to 1% (as zinc); irritation or sensitivity reactions are possible in rare cases [4][5]	Check the full ingredient list; a patch test is recommended for first-time use

What is Zinc?

Zinc is a trace element with atomic number 30 and an essential mineral distributed at a certain concentration in the skin's epidermis and upper dermis. In the skin, Zinc acts as a cofactor for the proliferation and differentiation of the stratum basale and keratinocytes and for over 200 enzymes, including matrix metalloproteinases (MMPs). [2] In cosmetics, rather than elemental zinc itself, various salt forms are used—notably Zinc PCA combined with pyrrolidone carboxylic acid (PCA), Zinc Gluconate combined with gluconic acid, Zinc Sulfate combined with sulfuric acid, and Zinc Oxide used as an inorganic UV filter and white pigment. [1][3][7][8][14] Among these, the water-soluble salt series (Zinc PCA, Gluconate, Sulfate) is mainly addressed in sebum and blemish care formulations, with multiple functions reported such as regulation of sebaceous gland activity through 5α-reductase inhibition, inhibition of microbes such as C. acnes (acne-associated bacteria), and easing the flow of inflammatory factors such as TNF-α and IL-6. [1][2][6]

The skin benefits of zinc have long been recognized. Calamine (a mineral powder containing zinc oxide) has been used since before the 19th century to soothe the skin and protect its surface [1], and from the mid-to-late 20th century, topical 5% zinc sulfate was evaluated clinically as a topical agent for mild to moderate blemishes, laying the foundation for full-fledged dermatological research. [1] In the 1980s, clinical studies on the effect of zinc on sebum secretion were published [9], and from the 1990s onward, the water-soluble salt forms Zinc PCA and Zinc Gluconate—which offer excellent stability and sensory feel—broadened their range of use in the cosmetic field. [3][7][8][14] In the 2000s, mechanistic reviews were compiled describing how zinc is involved in 5α-reductase inhibition, inhibition of C. acnes proliferation, and easing the flow of inflammatory factors such as TNF-α and IL-6. [1] Since the 2010s, dermocosmetic clinical studies of Zinc PCA combined with vitamin B3 (niacinamide) and vitamin B6 derivatives [8], and multicenter clinical studies of niacinamide combined with microbial balance support agents and Zinc PCA [6] have expanded the clinical evidence base. Molecular reviews addressing zinc transporters (ZIP/ZnT), epidermal formation, and barrier homeostasis [2] have also followed. In the US CIR (Cosmetic Ingredient Review) safety assessment, water-soluble zinc salts were evaluated as safe when used at up to 1% zinc [4][5], and multiple zinc compounds such as Zinc Gluconate and Zinc Oxide are listed in the European cosmetic ingredient database (COSMILE Europe). [4][7]

Differences Between Zinc and Similar Ingredients

Even within the same "zinc compound" category, the activity and sensory feel of zinc differ depending on the type of salt it is combined with. The main forms you will encounter on cosmetic ingredient lists are summarized below.

Ingredient Name	Characteristics	Form of Use
Zinc PCA (Zinc Pyrrolidone Carboxylic Acid)	A water-soluble salt combined with PCA (pyrrolidone carboxylic acid); a representative sebum-regulating support active, a representative ingredient used in formulations intended to support sebum balance [3][8][14]	Water-soluble salt
Zinc Gluconate	A water-soluble salt combined with gluconic acid; usable safely under certain conditions within EU cosmetic regulations; listed with skin conditioning and microbial balance support functions [4]	Water-soluble salt
Zinc Sulfate	A form that has been evaluated clinically at a topical 5% concentration as a topical agent for mild to moderate blemishes [1]	Water-soluble salt
Zinc Oxide	An inorganic UV filter active and white pigment obtained from minerals (zincite); broad UV absorption at 280–400 nm [7][13]	Inorganic powder (UV filter/pigment)
Zinc Pyrithione	A form specialized in microbial balance activity, but prohibited for use in cosmetic products in the EU; the regulatory status of zinc compounds may differ depending on the ingredient form and market [3][8][14]	Water-soluble salt (restricted use)

In the skincare field, the zinc frequently addressed is not the Zinc Oxide from the inorganic UV filter category, but rather the water-soluble salt series (Zinc PCA, Gluconate, Sulfate) that appears in sebum and blemish care formulations. We focus on zinc as a skincare active ingredient. [1][3][8][14]

Benefits of Zinc

When talking about zinc in cosmetics, the key point is "a comprehensive supporting active that refines sebum, blemishes, and environmental stress." Based on the research accumulated in dermatology and cosmetics, the benefits you can expect from cosmetics can be summarized as follows.

1. Support for Balancing Sebum and Shine

Excess sebum in the T-zone and makeup that breaks down quickly are influenced by both sebaceous gland activity and hormonal signals. Zinc has been reported to inhibit 5α-reductase—the enzyme that converts testosterone into the more potent androgen dihydrotestosterone (DHT)—and to regulate the activity of sebaceous glands [1][2], so in cosmetics it is used as a supportive ingredient for balancing sebum and oil. Zinc PCA has been studied in relation to sebum-balance support, and changes in sebum-related parameters have been reported in studies using zinc-containing formulations [3][8][14], and a reduction in inflammatory lesions was reported in a dermocosmetic study involving a formulation that contained Zinc PCA together with other active ingredients. [8] However, the effect experienced through cosmetics is gradual, and it should be noted that it acts cumulatively together with variables such as cleansing, moisture balance, and lifestyle habits.

2. Support for Refining Recurring Blemishes and Skin Texture

Uneven texture driven by frequent blemishes is often the result of intertwined factors: excess oil production, bacterial imbalance, and underlying inflammation. [1] Zinc has been summarized in numerous research that it acts to inhibit the proliferation of C. acnes (acne-associated bacteria, formerly P. acnes) and eases the flow of inflammatory factors such as TNF-α, IL-6, and NO [1][2], so in cosmetics it is frequently used in supportive care formulations for skin with recurring blemishes. Evidence has accumulated—such as clinical studies evaluating topical 5% zinc sulfate as a topical agent for mild to moderate blemishes [1] and a multicenter randomized controlled trial applying niacinamide combined with a microbial balance support agent and Zinc PCA for six weeks, in which non-inflammatory lesions decreased significantly compared to placebo [6]—so it is cited as a supportive ingredient for refining the texture condition of skin bothered by blemish marks. However, since cosmetics differ in nature from pharmaceuticals and procedures, it is natural to approach them as "a supportive axis within your routine" rather than expecting identical effects.

3. Refining Skin Texture After Environmental Stress

When external stressors such as UV, fine dust, and mask friction accumulate, the skin's surface condition tends to become unstable. Zinc is reported to be a cofactor for keratinocyte survival and proliferation. [2] It is also involved in the synthesis of metallothionein, which is involved in protecting the surface from reactive oxygen species and bacterial toxins. [2] In addition, water-soluble zinc salts (excluding zinc oxide) are used as supportive actives that refine the fine condition of the surface, and there are reports that topical zinc oxide reduced the secretion of pro-inflammatory cytokines such as IL-1α in an in vivo human model. [10] However, since topical application in cosmetics acts mainly on the surface and stratum corneum, effects reaching deep into the dermis are limited.

4. Support for Refining the Appearance of Pores and Skin Texture

When sebum is overproduced, pores tend to appear more prominent, and the texture seems rougher. When zinc's 5α-reductase inhibition, regulation of sebaceous gland activity, and microbial balance support act cumulatively, skin may appear less oily and pores may appear less noticeable. [1][3][8][14] Formulations containing Zinc PCA and Zinc Gluconate demonstrate good stability and skin tolerability for sebum control and blemish care [4][6], and when used as supportive actives, research suggests that they can also help refine the appearance of blemish marks. [8] However, since pore size itself is determined by a combination of factors such as genetics, skin thickness, and elasticity, it is difficult to expect permanent pore reduction from cosmetics.

5. Combination with Other Ingredients

Zinc combines with various active ingredients and blends smoothly in terms of texture and condition. A reduction in inflammatory lesions was reported in a dermocosmetic study involving a formulation that contained Zinc PCA together with other active ingredients. [8] When combined with a BHA such as salicylic acid, the sebum- and keratin-refining flow can be strengthened, and when combined with soothing ingredients such as panthenol and allantoin, it helps support irritation relief. However, if too many potentially irritating actives from the same category (high-concentration acids, strong microbial balance support agents, etc.) overlap, this can lead to irritation depending on skin condition, so checking the full ingredient list is helpful. [4]

Amorepacific's Perspective on Zinc

Skin conditions can become easily unsettled by the daily environment, habits, and seasons, and the sebum and blemish area in particular is one where it is difficult to present a "single-ingredient right answer." Rather than presenting a particular ingredient as an all-purpose solution, Amorepacific has carefully evaluated mechanisms of action and safety data and has considered formulation designs suited to each individual's skin condition. Zinc, too, is an ingredient that Amorepacific has used within safety standards while clearly distinguishing the zinc oxide of the inorganic UV filter category from the water-soluble zinc salts of the skincare area.

Scientific Understanding of Zinc Mechanism of Action

Amorepacific researchers focus on the active mechanism of zinc to explore its potential in cosmetics. The main pathways of action of zinc summarized in the research are as follows. [1][2]

Sebaceous gland activity regulation mechanism

Zinc has been reported to inhibit the activity of 5α-reductase, which converts testosterone into dihydrotestosterone (DHT), and to regulate the activity of sebaceous gland cells (sebocytes). [1][2] This action provides a scientific basis that can support refining the condition of skin whose sebum and oil balance is unsettled.

Microbial balance and inflammatory factor flow refining mechanism

Zinc has been summarized in numerous reviews as having activity that inhibits the proliferation of C. acnes (formerly P. acnes) and eases the flow of pro-inflammatory cytokines such as TNF-α, IL-6, and NO. [1][2] In addition, epidermal zinc transporters (ZIP/ZnT) are reported to be involved in keratinocyte proliferation and differentiation and in epidermal barrier homeostasis, indicating that zinc acts on multiple dimensions of "surface condition care" beyond microbial inhibition. [2]

Amorepacific's Zinc Research

While Amorepacific uses zinc oxide in its own inorganic UV filter formulations, for nanomaterials with strict safety standards, only ingredients assessed as safe under European specifications are used, and only within defined limits. [11] Zinc oxide is an inorganic UV filter and white pigment ingredient obtained from minerals (zincite) and is clearly distinguished from the water-soluble zinc salts used in skincare. [13] The dermocosmetic brand AESTURA uses active ingredients such as these zinc compounds and salicylic acid in its blemish and sensitive-care lines, establishing itself as part of the dermocosmetic flow for skin with recurring sebum and blemishes. [12]

Realistic Application in Cosmetics

When applying this scientific background to cosmetics, several practical considerations are necessary.

Much of the evidence for zinc's multiple mechanisms has accumulated in the pharmaceutical and topical-agent fields, while cosmetics act mainly on the skin surface and stratum corneum. In particular, since water-soluble zinc salts differ from the zinc oxide of the inorganic UV filter category in their mode of action and use concentration, it is important to look at what form of zinc compound is involved rather than expecting the same effects based on the ingredient name alone. [1][3][8][14] The use concentration in cosmetics, formulation design, and co-formulated ingredients are the key variables that determine what you experience, and it is natural to approach zinc compounds as "one piece of a routine" rather than as a standalone ingredient.

Amorepacific's Research Direction

Amorepacific evaluates zinc-containing ingredients from perspectives that include formulation design, safety, and intended cosmetic use. Based on a deep understanding of skin biology, Amorepacific conducts comprehensive research on delivery technology and formulation stability, and approaches this from the perspective of sustainable beauty that considers the safety of raw ingredients, environmental impact, and long-term skin health together.

Products utilizing zinc-related technology can be found in Amorepacific brands such as LANEIGE, Mamonde, AESTURA, and B.READY. You can learn more about Amorepacific's research and development philosophy and technology trends at the link below.

LANEIGE Zinc for Skin: What It Is, Benefits, and How It Works benefits

Mamonde Zinc for Skin: What It Is, Benefits, and How It Works benefits

AESTURA Zinc for Skin: What It Is, Benefits, and How It Works benefits

Explore Amorepacific Research & Innovation

Zinc Fact Check

We examine information about zinc that is frequently misunderstood or exaggerated to gain a more balanced understanding of its characteristics as a cosmetic ingredient.

Question	Fact Check
Does zinc guarantee the elimination of blemishes and breakouts?	Clinical studies have reported reduced blemish lesions with regimens such as topical 5% zinc sulfate, Zinc PCA, and niacinamide combinations, but the expression "guarantee" is not appropriate. Since cosmetics differ in nature from pharmaceuticals, it is appropriate to understand this as a gradual, supportive change. [1][6][8]
Can using zinc cosmetics produce the effects of a dermatological procedure?	Procedures work based on medical devices and professional techniques, while cosmetics act mainly on the surface and stratum corneum. It is difficult to expect the same effects. [2]
Is zinc suitable for all skin types?	Water-soluble zinc compounds generally have safety data supporting their use across various skin types, but reactions may differ depending on skin condition and co-formulated ingredients. A patch test is helpful for first-time use. [4][5]
Does applying zinc immediately reduce sebum?	Zinc PCA has been studied in relation to sebum-balance support, and changes in sebum-related parameters have been reported in studies using zinc-containing formulations. [3][8][14] It is appropriate to understand this as a gradual change felt through consistent use rather than an immediate one.
Is a higher concentration of zinc always better?	In cosmetics, water-soluble zinc compounds have been assessed as safe within a concentration range of up to 1% zinc, and the form and formulation design determine what you experience. It is difficult to judge superiority by concentration alone. [4][5]
Are zinc oxide and skincare zinc the same ingredient?	They are in the same "zinc" family but differ in mode of action and area of use. Zinc oxide is an inorganic UV filter and white pigment ingredient, while skincare zinc is a water-soluble salt form such as Zinc PCA or Gluconate. [1][7]

How to Experience Zinc Benefits

Realistic Changes to Expect

With consistent use of zinc cosmetics, you may notice changes such as reduced T-zone shine, balanced sebum levels, support for refining the appearance of blemish marks, smoother skin texture, and surface stabilization after environmental stress. These changes appear gradually and cumulatively rather than dramatically, and consistent use is important.

Changes That Are Difficult to Expect

It is difficult to expect complete medical improvement of blemishes, permanent changes in sebaceous glands, reduction of pores themselves, or effects equivalent to medical procedures from cosmetics alone. If moderate or more severe blemishes recur, consulting a specialist is recommended. If strong sebum care is needed, you may consider using it separately from professional actives such as salicylic acid (BHA) and adapalene.

Safety of Zinc

Zinc is an ingredient that has generally been used safely as a cosmetic ingredient, and its use concentrations and standards by form are organized within global safety assessment frameworks. However, as with all cosmetic ingredients, reactions may vary depending on individual skin condition and co-formulated ingredients, so please refer to the following.

General Safety

Water-soluble zinc compounds (Zinc Gluconate, Zinc PCA, Zinc Sulfate, etc.) are categorized as safe to use under the conditions assessed by the US Cosmetic Ingredient Review (CIR), and the concentration commonly used in cosmetics is up to 1% zinc. [4] Zinc Gluconate is listed in the European cosmetic ingredient database (COSMILE Europe) with skin conditioning, microbial balance, oral care, and deodorant functions, and is assessed as an ingredient usable under certain conditions within EU cosmetic regulations. [4] The zinc oxide of the inorganic UV filter area is listed as an inorganic broad-spectrum UV-blocking ingredient obtained from minerals (zincite), with activity that absorbs and scatters UV light at 280–400 nm. [7]

When Caution is Needed

Cases of significant irritation or sensitivity as a cosmetic ingredient are rarely reported, but irritation may be felt depending on co-formulated ingredients (high-concentration acids, strong microbial balance support agents, fragrances, etc.), so checking the full ingredient list is helpful. [4] When used in multiple layers together with BHAs such as salicylic acid or retinoids in blemish care formulations, dryness or irritation may be seen depending on skin condition, so a patch test is recommended for first-time use. Certain zinc salts (e.g., Zinc Pyrithione) are subject to use prohibitions in the EU [3][8][14], so even with the same "zinc" labeling, it is recommended to look at safety and regulatory standards by form. If you have existing concerns related to blemishes or sensitivity, consultation with a specialist is recommended.

Frequently Asked Questions (FAQ)

What exactly is zinc?

Zinc is an essential trace element distributed in the skin's epidermis and dermis that acts as a cofactor for over 200 enzymes, and in cosmetics it is used not as elemental zinc itself but in various salt forms such as Zinc PCA, Zinc Gluconate, Zinc Sulfate, and Zinc Oxide. [1][2] In the skincare field, water-soluble zinc salts are mainly addressed as supportive ingredients for sebum and blemish care.

What should sensitive skin keep in mind when using zinc products?

Cases of irritation or sensitivity from water-soluble zinc compounds are rare, but co-formulated ingredients such as salicylic acid, fragrances, and high-concentration alcohol can be variables. Checking the full ingredient list, performing a patch test for first-time use, and avoiding overlapping too many strong actives at once are helpful approaches. [4]

What ingredients are good to use together with zinc?

When combined with niacinamide (sebum and tone refinement), vitamin B6 derivatives (sebum support [8]), salicylic acid BHA (sebum and keratin refinement), panthenol (soothing support), allantoin (irritation relief), and hyaluronic acid (moisture balance), you can expect balanced synergy in sebum and blemish care formulations. [6][8]

Can I use zinc and retinol together?

These ingredients can be included within the same skincare routine depending on the formulation and individual skin condition. However, since irritation may occur in the early stages of retinol use, it is recommended to use it while monitoring your skin condition.

Can I use zinc and exfoliating ingredients (AHA/BHA) together?

These ingredients may be included within the same routine. If irritation occurs, consider reducing frequency or separating application timing.

Can I use zinc products right after a procedure?

It varies depending on the type and intensity of the procedure and individual skin condition, and in general, following the guidance of the medical professional who performed the procedure is the top priority right after a procedure.

Do pores shrink when I use zinc cosmetics?

Pore size itself is determined by a combination of factors such as genetics, skin thickness, sebum secretion, and elasticity. As zinc refines the sebum and blemish condition, you may perceive pores as looking "less prominent," but it is difficult to expect permanent pore reduction from cosmetics alone. [1][3][8][14]

When can I expect to feel the effects of zinc?

Zinc PCA has been studied in relation to sebum-balance support, and changes in sebum-related parameters have been reported in studies using zinc-containing formulations [3][8][14], and a reduction in inflammatory lesions was reported in a dermocosmetic study involving a formulation that contained Zinc PCA together with other active ingredients. [8] The timing of any visible change varies depending on the ingredient form, formulation, usage pattern, and individual skin condition. Results reported in studies should not be generalized to all zinc-containing cosmetics.

What are the differences between zinc and similar ingredients?

Even within the same "zinc" family, the activity and area of use differ depending on the combined salt. Zinc PCA, Zinc Gluconate, and Zinc Sulfate are water-soluble salts used in sebum and blemish care formulations; Zinc Oxide is an inorganic UV filter and white pigment ingredient [7]; and Zinc Pyrithione is specialized in microbial balance support but is subject to use prohibitions in the EU. [3][8][14] When you see "zinc" on an ingredient list, it is recommended to also look at which form it is.

By what criteria should I choose zinc cosmetics?

If sebum and shine are your main concerns, look at formulations containing Zinc PCA and Zinc Gluconate, and if you also need to refine the appearance of blemish marks, you may consider formulations that also contain niacinamide and BHA. [6][8] If you have sensitive skin, prioritize formulations with less fragrance and lower concentrations of alcohol, and it is best to approach the zinc oxide of the inorganic UV filter area as a separate sun care category. [4][7]

Can zinc cosmetics be used all year round?

Water-soluble zinc compounds are assessed as an ingredient family that can be used routinely within safety assessments [4][5], and it is natural to adjust the intensity of use according to seasonal skin condition. During dry periods, use it together with a moisturizing formulation, and during periods of increased sebum secretion, you can use it as part of a texture-refining routine together with BHAs and similar ingredients.

Sources

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Gupta M, Mahajan VK, Mehta KS, et al. (2014). Zinc therapy in dermatology: A review. Dermatol Res Pract, 2014, 709152. DOI: 10.1155/2014/709152 | https://pmc.ncbi.nlm.nih.gov/articles/PMC4120804/
[2]
Al-Khafaji Z, Brito S, Bin BH. (2022). Zinc and zinc transporters in dermatology. Int J Mol Sci, 23(24), 16165. DOI: 10.3390/ijms232416165 | https://pmc.ncbi.nlm.nih.gov/articles/PMC9785331/
[3]
PCC Group. (2023). Zinc as an active substance in cosmetics | https://www.products.pcc.eu/en/blog/zinc-as-an-active-substance-in-cosmetics/
[4]
COSMILE Europe. (n.d.). Zinc Gluconate | https://cosmileeurope.eu/inci/detail/17111/zinc-gluconate/
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Cosmetics Info. (n.d.). Zinc Gluconate | https://www.cosmeticsinfo.org/ingredient/zinc-gluconate/
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Sitohang IBS, Yahya YF, Simanungkalit R, et al. (2020). Efficacy and tolerability of topical nicotinamide plus antibacterial adhesive agents and zinc-pyrrolidone carboxylic acid versus placebo as an adjuvant treatment for moderate acne vulgaris in Indonesia: A multicenter, double-blind, randomized, controlled trial. J Clin Aesthet Dermatol, 13(7), 27-31 | https://pmc.ncbi.nlm.nih.gov/articles/PMC7492018/
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COSMILE Europe. (n.d.). Zinc Oxide | https://cosmileeurope.eu/inci/detail/17131/zinc-oxide/
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Abendrot M, Kalinowska-Lis U. (2018). Zinc-containing compounds for personal care applications. Int J Cosmet Sci, 40(4), 319-327. DOI: 10.1111/ics.12463 | https://onlinelibrary.wiley.com/doi/10.1111/ics.12463
[9]
Demetree JW, Safer LF, Artis WM. (1980). The effect of zinc on the sebum secretion rate. Acta Derm Venereol, 60(2), 166-169 | https://pubmed.ncbi.nlm.nih.gov/6155029/
[10]
Ågren MS, Phothong N, Burian EA, et al. (2021). Topical zinc oxide assessed in two human wound-healing models. Acta Derm Venereol, 101(5), adv00465. DOI: 10.2340/00015555-3829 | https://pmc.ncbi.nlm.nih.gov/articles/PMC9367036/
[11]
Amorepacific. (n.d.). Ingredient Stories | https://www.apgroup.com/int/ko/commitments/customer-safety/ingredients/ingredients.html
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Amorepacific Stories. (2024). Illiyoon launches Cica Acne body care line | https://stories.amorepacific.com/%EC%95%84%EB%AA%A8%EB%A0%88%ED%8D%BC%EC%8B%9C%ED%94%BD-%EC%9D%BC%EB%A6%AC%EC%9C%A4-%EC%8B%9C%EC%B9%B4-%EC%95%84%ED%81%AC%EB%84%A4-%EB%B0%94%EB%94%94%EC%BC%80%EC%96%B4-%EB%9D%BC%EC%9D%B8-%EC%B6%9C/
[13]
Amorepacific. (n.d.). Amorepacific Ingredients Glossary | https://www.apgroup.com/int/ko/commitments/customer-safety/amorepacific-ingredients-glossary/amorepacific-ingredients-glossary.html
[14]
Abendrot M, Płuciennik E, Felczak A, et al. (2021). Zinc(II) complexes of amino acids as new active ingredients for anti-acne dermatological preparations. Int J Mol Sci, 22(4), 1641. DOI: 10.3390/ijms22041641 | https://pmc.ncbi.nlm.nih.gov/articles/PMC7915519/

※ The effects and technologies of ingredients described in this content are based on Amorepacific's own research and publicly available academic and scientific sources to provide a general understanding of cosmetic ingredients. It is not intended for medical diagnosis or treatment purposes. For personal medical concerns, please consult a qualified medical professional.

Zinc for Skin:What It Is, Benefits, and How It Works