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

Q: What ingredients are good to use together with Exosome?

Plant exosomes may be considered alongside ingredients. When used with hyaluronic acid (enhanced moisturizing), peptides (firmness support), niacinamide (skin tone management), ceramide (barrier care), panthenol (soothing), and Vitamin C (radiance care), you can expect synergistic effects.

Have you ever experienced your skin feeling tired, losing its elasticity, and becoming easily sensitive to the external environment? As we age or stress accumulates, communication between skin cells becomes less efficient, causing the overall skin condition to decline and the skin texture to feel uneven. If your concerns are "cell vitality," "skin condition management," or "firmness care," the ingredient that comes to mind is Exosome. As nano-sized vesicles secreted by cells, Exosomes are responsible for cell-to-cell signaling and are an ingredient that is attracting growing research interest in the field of skin biology.

While Exosomes are an ingredient with a long research history in the medical field, how they work in cosmetics may differ from their applications in medical research. For those concerned about loss of skin elasticity or condition management, or who wish to choose cosmetics based on ingredients, we explore Exosome from the perspective of a cosmetic ingredient and introduce how it can be incorporated into your skincare routine.

Exosome at a Glance

Category	Key Summary	Check Point
Ingredient Name	Exosome (Extracellular Vesicles)	Also labeled as extracellular vesicles (EVs), exosomes, etc.
Ingredient Classification	Extracellular vesicle / nano-bio ingredient	An extracellular vesicle 30 to 150 nanometers in diameter that plays a role in cell-to-cell communication and the delivery of bioactive molecules [1]
Source	Cultured and isolated from stem cells, plants, lactic acid bacteria, etc.	Extracted from various raw materials such as mesenchymal stem cells (MSC), adipose tissue, cord blood, placenta, and plant cells [2]
Expected Skin Benefits	Skin condition management, support for firmness, smoother skin texture, hydration support	Cumulative and gradual rather than immediate; individual results vary by formulation and blending
Functions in Research	Mechanisms related to cell-to-cell communication, skin-condition-associated pathways, and skin-structure-related biological responses have been studied [3]	Based on medical applications; cosmetic results vary widely
Suitable Skin Types	Concerns about loss of firmness, needing skin condition management, skin sensitive to external stimuli	Sensitive skin should check the co-formulated ingredients; consultation with a specialist is recommended for skin concerns
Precautions	There are currently no FDA-approved exosome cosmetics, and the regulatory landscape is complex [4][1]	Since regulations and characteristics differ depending on the source (human/plant/lactic acid bacteria), checking the full ingredient list is recommended

What is Exosome?

An exosome is a small sac, 50 to 200 nm in size, secreted by cells, mainly found in blood, urine, saliva, breast milk, and cerebrospinal fluid, and can also be obtained during the process of culturing cells. The surface of an exosome is surrounded by the same lipid-soluble substance as the cell membrane, allowing it to pass through various tissues in the body, and the proteins, lipids, RNA, and other components contained in exosomes are identical to the cell's components, so they are involved in various biological signaling processes such as cell-to-cell communication and the transport of biological molecules. [5] Exosomes are small extracellular vesicles generally in the range of 30 to 150 nanometers in diameter that play an important role in cell-to-cell communication and the delivery of bioactive molecules, and they are attracting attention in the field of dermatology. [1]

Exosomes were first discovered in the 1980s (the term was first used in 1987) and were initially considered cellular waste. It took about 10 years for scientists to recognize the active role of exosomes in cell function and communication. [6] The Amorepacific R&I Center has continued research on the functions of skin cell exosomes and the skin ecosystem since 2013, and is continuing research to uncover the skin efficacy and potential applications of exosomes. [7] Subsequently, in the cosmetics field as well, various research is being conducted with a focus on the skin delivery characteristics and cell communication functions of exosomes.

Differences Between Exosome and Similar Ingredients

There are similar ingredients often mentioned alongside Exosome. Understanding the characteristics of each ingredient is helpful when checking a product's ingredient list.

Ingredient Name	Characteristics
Exosome	An extracellular vesicle released through the fusion of multivesicular bodies (MVBs) and the cell membrane [8]
Microvesicle	A vesicle released directly from the cell membrane, larger in size than an exosome [8]
Extracellular Vesicles (EVs)	An overarching concept that includes exosomes, microvesicles, and the like
Stem Cell Conditioned Medium	Contains bioactive substances such as growth factors secreted during stem cell culture [9]

Exosomes have a particle size of about 250 to 600 times smaller than the pore size (30 to 50 μm), and with their bilayer lipid membrane structure, exosomes are being studied for their potential as delivery-related materials, but actual skin delivery may vary depending on source, formulation, and skin condition. [5]

Benefits of Exosome

When discussing Exosome in cosmetics, the key point is "a nano-carrier that aids cell-to-cell communication." Based on the research accumulated in the medical field, the benefits you can expect from cosmetics are summarized as follows.

1. Skin Condition Management

When the skin condition declines due to environmental changes or stress, the skin can look dull and lose its vitality. The cosmetic and skincare benefits of exosomes have been explored in biological pathways associated with skin conditions and environmental-stress-related responses. [3] A mechanism has been studied in which exosomes derived from human cord blood mesenchymal stem cells protect against oxidative damage by upregulating the SIRT1/Nrf2 pathway in keratinocytes. [10] However, this research has mainly been conducted in laboratory settings, and the effect experienced through cosmetics may vary by individual.

2. Support for Firmness

As we age, the skin's elasticity naturally decreases. Stem cell-derived exosomes have been studied in experimental models for collagen- and elastin-related pathways associated with skin firmness. [3] Some studies have reported changes in skin-aging-related markers, but cosmetic effects may vary depending on formulation, and clinical evidence remains limited. [8] Unlike medical procedures, topical application through cosmetics works primarily at the skin's surface, so any improvement in firmness is gradual and cumulative.

3. Smoother Skin Texture and Support for Radiance

When the skin's surface is rough and dry, makeup tends to flake, and skin tone appears uneven. The early benefits that may be experienced from skincare products containing Exosomes are increased radiance, hydration, and a smoother skin texture. [11] There is research showing that exosomes derived from lactic acid bacteria (Lactobacillus plantarum) can help reduce wrinkle formation, increase skin moisture content, and improve pigmentation. [10] This effect can be experienced when using cosmetics but may vary depending on individual skin condition and environment.

4. Supporting Post-Procedure Routine

After dermatological procedures such as lasers and peels, the skin can become sensitive. Research on topical platelet-derived exosome preparations has been reported, but evidence remains limited, and use conditions may vary depending on the product and study design. [12][30] However, since the use of products after a procedure varies depending on the type and intensity of the procedure and skin condition, it is important to always follow the guidance of the medical professional. (Since procedure-related expressions belong to the medical domain, they should not be equated with cosmetic effects.) [12][30]

5. Combination with Other Ingredients

Exosomes can offer synergistic effects when used together with various active ingredients. Plant exosomes create a less inflammatory environment for cells, amplifying the efficacy of other active ingredients and aiding the delivery of other active ingredients within the formulation. [11] For example, when used with hyaluronic acid, the moisturizing power is strengthened, and when used with peptides, it can help with skin condition management.

Amorepacific's Perspective on Exosome

Skin changes every day amid different environments and conditions. Rather than presenting a particular ingredient as the "right answer," Amorepacific has explored ways to flexibly select and use ingredients according to each individual's skin condition and goals. Exosome is likewise an ingredient whose potential has been explored from multiple angles through long-term research.

Scientific Understanding of Exosome Mechanism of Action

Amorepacific researchers focus on the mechanism of action of Exosome to explore its potential in cosmetics. The main pathways of action of Exosome mentioned in the research literature can be summarized as follows.

Cell-to-cell signaling mechanism

Exosomes are naturally occurring vesicles released from almost all types of cells, including skin cells, stem cells, and platelets, that transport and protect proteins, lipids, and genetic material. Exosomes contain proteins, lipids, nucleic acids, and other bioactive molecules involved in intercellular communication. [13][1] Exosomes (extracellular vesicles) are evolutionarily conserved natural nanomaterials around 100 nanometers (nm) in size that organisms secrete for the transfer of information between cells. [7]

Skin penetration and delivery characteristics

The pores of human skin are approximately 30 to 50 μm, and exosomes with a particle size about 250 to 600 times smaller than that are being studied for their potential role in ingredient delivery and cell-to-cell signaling. [14]

Amorepacific's Exosome Research

Green Tea Lactic Acid Bacteria Exosome Research

The Green Tea Lactic Acid Bacteria Research Center of the Amorepacific R&I Center continues to explore the potential of a new plant-derived green tea lactic acid bacteria strain (Lactobacillus plantarum APsulloc 331261) that it independently discovered in an organic tea field on Jeju Island and is also expanding this into microbiome research. Amorepacific has studied green tea lactic acid bacteria-derived extracellular vesicles in research models related to skin stress responses and the skin environment. [7]

A research group at the Amorepacific R&I Center isolated and purified exosomes from the plant-derived green tea lactic acid bacteria, which it independently discovered in an organic green tea field. It then demonstrated that green tea lactic acid bacteria exosomes, related studies have explored their potential role in skin condition management and barrier-associated responses. [7]

Lacto-Exosome^™ Research

"Lacto-Exosome^™," a microbiome ingredient discovered in Amorepacific's proprietary patented strain "green tea lactic acid bacteria," has been studied as an exosome-like material concentrated to 10 times its original level, with research exploring its potential to improve the skin environment and support skin barrier function. [15]

Related patents have explored their potential role in skin condition management and barrier-associated responses, investigating the potential for improving skin structure and addressing aging. [27][28]

Plant-Derived Exosome Research

In addition, building on a research heritage in camellia oil dating back to the 1930s, Amorepacific is also expanding into the field of plant-derived exosome research by developing "White Camellia EXO^™," a proprietary ingredient derived from the rare plant resource white camellia. This ingredient is studied for skin condition and firmness-related appearance. [29]

Realistic Application in Cosmetics

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

Although Exosomes are attracting attention in the fields of regenerative and aesthetic dermatology, their widespread clinical application is limited by factors such as cost, complex isolation processes, lack of standardized protocols, ongoing evaluation of safety considerations, and the need for further clinical evidence. Further research through clinical studies evaluating the efficacy of exosome-based skincare on human skin is needed. [10] Cosmetics work primarily at the skin's surface, and the stratum corneum, and delivery technology, formulation, and formula design determine the perceived effect. It is advisable to approach an ingredient not as an "all-purpose solution" but as "one part of a skincare routine."

Amorepacific's Research Direction

Based on the founder Sungwhan Suh's belief that "only by securing an advantage in science and technology can we rise to become a world-leading company," Amorepacific opened the first research lab in the Korean cosmetics industry in 1954. The Amorepacific R&I Center has since achieved continuous growth over more than 70 years based on a relentless spirit of challenge and creation and an unwavering passion for research and development. [16]

The Amorepacific R&I Center is striving to deliver innovative skin solutions to customers around the world by further strengthening its research on lactic acid bacteria—the core of microbiome regulation—and exosomes derived from lactic acid bacteria. [7]

Products utilizing Exosome-related technology can be found in Amorepacific brands such as IOPE and HERA.

You can learn more about Amorepacific's research and development philosophy and the latest technology trends at the link below.

IOPE Exosome for Skin: What It Is, Benefits, and How It Works benefits

HERA Exosome for Skin: What It Is, Benefits, and How It Works benefits

Explore Amorepacific Research & Innovation

Exosome Fact Check

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

Question	Fact Check
Does Exosome guarantee skin regeneration?	Exosomes are being studied for skin condition management, but clinical evidence for cosmetic use remains limited and results may vary by formulation and source. [17]
Can using Exosome cosmetics produce the effects of a procedure?	The U.S. FDA has not yet approved exosome products for medical improvement or aesthetic application. Cosmetics and medical procedures have different scopes of action, so it is difficult to expect the same effects. [2]
Is Exosome suitable for all skin types?	Human-derived exosomes may be more biologically active but raise regulatory and ethical concerns. Since sensitive reactions may differ depending on the source and co-formulated ingredients, a patch test is recommended. [18]
Do I see immediate effects when I apply Exosome?	The early benefits obtainable from exosome skincare are increased radiance and hydration and a smoother skin texture, and effects such as wrinkle reduction are not immediate. It is realistic to expect gradual and cumulative results. [11]
Is a higher concentration of Exosome always better?	There is research suggesting that more exosomes are better, but an ideal concentration has not yet been established. Formulation stability and delivery technology may be more important factors. [11]
Is Exosome extracted from only one source?	In the cosmetics market, exosome skincare products are generally divided into human-derived or plant-derived products. The source of exosomes is important in determining the product composition and potential efficacy. They are extracted from various raw materials such as lactic acid bacteria, plant cells, and stem cell conditioned medium. [19]

How to Experience Exosome Benefits

Realistic Changes to Expect

With consistent use of cosmetics containing Exosome, you may notice a more stabilized skin condition and smoother skin texture. You may notice changes such as improved surface hydration and better makeup adhesion. [22] Improvement in firmness or skin tone is felt gradually through consistent use. You may feel that your skin becomes more resilient to environmental changes. However, these changes are gradual and cumulative rather than dramatic, and may vary depending on individual skin condition and usage environment.

Changes That Are Difficult to Expect

Complete improvement of deep wrinkles, fundamental changes in skin structure, and effects equivalent to a procedure are difficult to expect from cosmetics alone. If you are concerned about loss of firmness or deep wrinkles, it is advisable to consider combining functional ingredients such as retinol and peptides, or to find an appropriate solution through consultation with a specialist.

Safety of Exosome

Exosome is generally used safely as a cosmetic ingredient. [23] However, as with all cosmetic ingredients, individual reactions may vary, so please refer to the following.

General Safety

High-quality manufacturing practices are important for ensuring the safety and efficacy of Exosome products. The source of exosomes (human vs. plant) and the purification process can affect overall product quality. Compliance with cosmetic GMP standards is also important, and sterility, bioburden, endotoxins, genotoxicity, cytotoxicity, and viral transmission are additional considerations. If a manufacturer can provide this information in the form of a certificate of analysis (CoA), it is in a good position to demonstrate product safety. [19]

In the European Union, rigorous product safety assessment conducted by qualified scientific experts is legally mandated, and this addresses all potential risks, including potential endocrine disruption. [20]

When Caution is Needed

The EU Cosmetics Regulation (Regulation (EC) No 1223/2009) explicitly prohibits the use of certain types of ingredients in cosmetics, including human tissue- and animal-derived ingredients, particularly those with a risk of transmitting health hazards. This regulation imposes strict requirements on the safety and sourcing of cosmetics. [21] If you are allergic to a specific source (such as human-derived), it is advisable to check the source of the ingredient. Products that combine Exosomes with other ingredients may carry a possibility of irritation from the co-formulated ingredients, so for sensitive skin, checking the full ingredient list and performing a patch test are recommended. Consultation with a specialist is recommended if you have existing skin concerns.

Frequently Asked Questions (FAQ)

What exactly is Exosome?

An exosome is a small extracellular vesicle generally in the range of 30 to 150 nanometers in diameter that plays an important role in cell-to-cell communication and the delivery of bioactive molecules. It is secreted from various cell types and is attracting attention for its multiple roles in health and various skin conditions, including in the field of dermatology. [1] In cosmetics, it is used for purposes such as skin condition management, support for firmness, and smoother skin texture.

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

Co-formulated ingredients rather than the Exosome ingredient itself can be the cause of irritation. Human-derived exosomes raise regulatory and ethical concerns, and human-derived exosomes may raise additional regulatory and safety considerations depending on manufacturing and quality-control processes. [18] For sensitive skin, it is advisable to choose plant-derived or lactic acid bacteria-derived exosome products and to check the full ingredient list for whether irritating ingredients such as fragrances and alcohol are co-formulated. A patch test is recommended before use.

What ingredients are good to use together with Exosome?

Plant exosomes may be considered alongside ingredients. [11] When used with hyaluronic acid (enhanced moisturizing), peptides (firmness support), niacinamide (skin tone management), ceramide (barrier care), panthenol (soothing), and Vitamin C (radiance care), you can expect synergistic effects.

Can I use Exosome and retinol together?

They can be used together, but since there may be irritation in the early stages of retinol use, it is advisable to combine them after the skin has adapted. [24] If you feel irritation, it is advisable to adjust the frequency of use or use the products separately.

Can I use Exosome together with exfoliating ingredients (AHA/BHA)?

They can be used together, but the skin barrier may become temporarily sensitive after exfoliation. [25] Rather than using them on the same day, it is advisable to use them on separate days or to use them after allowing sufficient soothing time following exfoliation.

Can I use Exosome products right after a procedure?

It depends on the type and intensity of the procedure and the individual skin condition. Research on topical platelet-derived exosome preparations has been reported, but evidence remains limited, and use conditions may vary depending on the product and study design. [12][30] For the use of products after a procedure, following the guidance of the medical professional who performed the procedure always takes top priority.

Do pores shrink when I use Exosome cosmetics?

Pore size is determined by a combination of factors such as genetics, sebum secretion, and skin elasticity. [26] When the skin texture is smoothed through the use of exosome cosmetics, pores may appear less prominent, but it is difficult to expect permanent pore reduction.

When can I expect to feel the effects of Exosome?

Early benefits that may be experienced from skincare products containing Exosomes include increased radiance, hydration, and smoother skin texture, although wrinkles do not necessarily decrease. [11] Sensations such as a supple feel or smoother skin texture can be experienced relatively quickly, but firmness or improvement in skin tone is felt cumulatively through consistent use. The changes felt may vary depending on individual skin condition and environment.

What are the differences between Exosome and similar ingredients?

Extracellular vesicles (EVs) can be divided by size into exosomes (40 to 100 nm), microvesicles (150 to 1000 nm), and apoptotic bodies (>1000 nm). [8] Stem cell conditioned medium is a culture medium containing growth factors and the like secreted by stem cells [9], and exosomes are the nano-vesicles isolated and purified from among them. Since each has different characteristics, it is advisable to choose based on your specific skin goals.

By what criteria should I choose Exosome cosmetics?

Regulatory compliance: Choose products containing Exosomes that comply with relevant cosmetic regulations and quality standards. Look for products that are backed by scientific evidence and comply with GMP. Source and composition: The effectiveness of an exosome product depends greatly on its source and composition. Check the source of the exosome-like ingredient, the manufacturer's quality controls, and whether the product complies with applicable cosmetic regulations. Clinical evidence: Look for exosome products backed by robust clinical studies and trials that demonstrate efficacy in improving skin health. [19] If you have sensitive skin, it is advisable to check the full ingredient list and also consider brand credibility and manufacturing transparency.

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※ 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.

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