Snapshot
- Overview
- An amino acid that draws in moisture for plumper, more comfortable skin.
- Category
- Hydration, Skin Conditioning
- Type
- Humectant
Glycine
Glycine is a simple amino acid found in proteins and incorporated into skin and hair care formulations. It's added to attract water, support pH balance in mixtures, and improve sensory feel in hydrators, toners, cleansers, and leave-on products.
Like this ingredient?
Our take
Is Glycine a Good Ingredient?
It's Good because this well-tolerated amino acid works reliably as a humectant and buffer, providing hydration support with very low irritation potential across most formulas and skin types.
What it does
Skin Benefits
Boosts surface hydration for a plumper, more comfortable look. Can reduce tightness after cleansing and support a smoother feel.
Where you'll find it
Uses in Skincare & Cosmetics
Common in hydrating toners, moisturizers, and essences to reinforce water balance. Also found in shampoos and conditioners for improved slip and manageability.
Before you use it
Safety
Generally considered low risk for irritation at typical cosmetic levels. Those with compromised skin barriers may experience transient stinging. No special regulatory restrictions are commonly noted.
Products with Glycine
