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?

Ingredient Snapshot

Overview
An amino acid that binds moisture for bouncy, hydrated skin.
Category
Hydration, Skin Conditioning
Type
Humectant

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Binds moisture to help skin feel hydrated, bouncy, and smooth; can improve softness without heaviness.

Uses In Skincare & Cosmetics

Common in hydrating serums, gel moisturizers, and mild cleansers to reinforce humectant systems.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

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.

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.

Products with Aspartic Acid

Related Ingredients