Hyaluronic Acid
What is Hyaluronic Acid?
Hyaluronic Acid is a humectant ingredient that draws moisture into the skin from the environment or deeper skin layers. It provides hydration, deep hydration and water binding benefits. It's particularly beneficial for addressing dryness, dehydration and flakiness. Results are typically seen in the immediate (hours to days). It is most effective at a concentration of 1-2%. This molecule can hold up to 1000 times its weight in water, making it an exceptional hydrator.
Perfect For
Oily: Beneficial - provides non-comedogenic hydration
Dry: Highly beneficial - provides needed moisture and barrier repair
Sensitive: Neutral effect on sensitive skin
Combination: Highly beneficial - balances different zones of the face
Mature: Beneficial - provides hydration often needed by mature skin
Key Benefits
Core Competencies
Considerations & Cautions
Generally very safe with minimal risk of irritation. More effective when used in humid environments or when covered with occlusive ingredients.
Ingredient Interactions
Works well with: most ingredients, glycerin, niacinamide, peptides, ceramides
Avoid combining with: none specifically
Notes: Highly compatible ingredient that works with almost all other skincare actives
References
Strength: Moderate - Clinical evidence
Key Studies:
• Pavicic T, et al. Journal of Drugs in Dermatology (2011): Showed improved skin elasticity
• Kawada C, et al. Nutrition Journal (2014): Study on oral supplementation and skin hydration
• Jegasothy S, et al. Journal of Clinical and Aesthetic Dermatology (2014): Demonstrated efficacy of nano-hyaluronic acid
Mechanisms:
• Can hold up to 1000x its weight in water
• Creates a hydrating reservoir in skin layers
• Forms a protective barrier on skin surface
• Signaling molecule for wound healing and tissue repair