Exosomes

Category: Advanced skin-supporting ingredient
Used in: Skincare (serums, recovery treatments)

What This Ingredient Does

Exosomes are nano-sized extracellular vesicles surrounded by a lipid membrane. They function as natural messengers between cells, carrying proteins, lipids, and signaling molecules that help guide cellular behavior.

In skincare formulations, exosomes are used to support communication between skin cells. This cellular signaling plays an important role in maintaining barrier integrity, supporting skin recovery pathways, and promoting overall skin resilience and renewal.

Exosomes are not living cells, do not divide, and do not alter DNA. In cosmetics, their role is supportive, helping optimize the skin’s natural repair and balance mechanisms.

Types of Exosomes Used in Skincare

In cosmetic science, exosomes are classified based on their source. Each type is selected for specific formulation goals.

Plant-Based Exosomes

• Derived from botanical cell cultures
  
• Known for high skin compatibility and formulation stability
  
• Commonly used in skincare to support barrier health, soothing, and antioxidant care
  
• Widely preferred in cosmetic formulations
  

Zoonotic (Animal-Derived) Exosomes

• Derived from animal-based sources 
• Require extensive purification and screening due to the potential presence of biological contaminants or pathogens
• Because of safety, regulatory, and sourcing considerations, cosmetic skincare formulations instead rely on plant-based exosomes

Human-Derived Exosomes

• Derived from human cells (like stem cells)
• Require extensive purification and screening due to the potential presence of biological contaminants or pathogens
• Cosmetic skincare instead uses plant-based exosomes inspired by this research
  

Typical Usage Levels in Skincare

Exosomes are used in low, optimized concentrations, as they work through cellular signaling rather than volume.

• Common cosmetic usage range: 0.1% to 2%
  
• Often combined with:
  
• Barrier-supporting ingredients
  
• Hydration boosters
  
• Advanced delivery systems
  
• Designed for regular, long-term skincare routines
  
• Exact percentages may vary based on formulation goals and sourcing.

Benefits

• Supports skin repair and recovery pathways
  
• Helps reinforce the skin barrier
  
• Contributes to soothing and calming inflammation
  
• Supports collagen-related and renewal signaling
  

Who It’s Suitable For

• Skin experiencing dehydration, inflammation or barrier imbalance
  
• Dull or environmentally stressed skin
  
• Early signs of aging like fine lines, wrinkles
  
• Most skin types when carefully formulated
  

Note by Dr. Su

(M.D. Dermatologist)

Exosomes represent the future direction of science-backed skincare. By supporting cellular communication, they help strengthen the skin’s natural repair and resilience mechanisms and form an important part of next-generation, dermatologist-designed anti-aging formulations.

For a deeper, science-backed explanation of how exosomes function in skincare and why they are gaining attention in dermatology, explore our detailed article on exosomes and the future of skincare

References

• Aesthetic Surgery Journal, March 2024, pages 1–9
  
• International Journal of Biological Sciences, February 2024, pages 1778–1795
  
• Cell Communication and Signaling, January 2024, pages 22–32
  
• Cells, June 2023, pages 1–26
  
• Biochimie, June 2023, pages 73–84
  
• Frontiers in Cell and Developmental Biology, February 2023, pages 1–17
  
• Biomaterials Research, July 2021, pages 1–13