Snapshot
- Overview
- An amino acid that draws moisture to skin and keeps formulas gentle.
- Category
- Hydration, Skin Conditioning
- Type
- Humectant
Histidine
Histidine is an essential amino acid that also works as a water-soluble humectant in skin and hair formulas. It draws in moisture and helps buffer formula pH, which supports both hydration feel and product stability.
Like this ingredient?
Our take
Is Histidine a Good Ingredient?
It's Good because it's a gentle humectant and pH buffer that reliably supports hydration and formula comfort, though evidence for standout skin effects beyond moisturization is limited, which is what keeps it from Great.
What it does
Skin Benefits
Boosts surface hydration for softer, more comfortable skin. Its buffering action can help keep formulas feeling gentle on application.
Where you'll find it
Uses in Skincare & Cosmetics
Often included in hydrating toners, essences, and lightweight serums to improve moisture retention and sensorial comfort.
Before you use it
Safety
Generally well tolerated with low irritation potential for most skin types. No major cosmetic regulatory restrictions noted.
Products with Histidine
