Snapshot
- Overview
- An amino acid that binds moisture for bouncy, hydrated skin.
- Category
- Hydration, Skin Conditioning
- Type
- Humectant
Aspartic Acid
Aspartic acid is a water-soluble amino acid commonly found in proteins and used in cosmetic formulations. It attracts moisture, supports skin feel, and improves the conditioning profile of hydrators and cleansers.
Like this ingredient?
Our take
Is Aspartic Acid a Good Ingredient?
Good: a well-characterized amino acid humectant that is stable and generally non-irritating, providing dependable hydration support. Benefits are supportive rather than transformative, so it performs well but not at a standout clinical level.
What it does
Skin Benefits
Binds moisture to help skin feel hydrated, bouncy, and smooth; can improve softness without heaviness.
Where you'll find it
Uses in Skincare & Cosmetics
Common in hydrating serums, gel moisturizers, and mild cleansers to reinforce humectant systems.
Before you use it
Safety
Low irritation potential and suitable for most skin types, including daily use. Rarely, mild stinging may occur on compromised or highly sensitive skin. No notable regulatory restrictions for cosmetic use.
Products with Aspartic Acid
