Ingredient library
Every ingredient SkinAtlas knows about — all 2178 of them. What each one does, what it works well with, and what to watch for.
31 ingredients in Humectant matching "acid" — page 2 of 2
The sodium salt of the amino acid aspartic acid, used as a humectant and skin-conditioning agent that helps maintain skin hydration.
Carboxymethylated hyaluronic acid — a modified form of sodium hyaluronate where additional carboxymethyl groups are added to the backbone. Enhanced adherence to the skin surface vs. standard HA. Used in Matsuyama's Hadauru toner for superior hydration.
A fermentation-derived polymer (from natto) that binds water and forms a light moisturizing film, often described as more hydrating than hyaluronic acid by weight.
A sulfonic amino acid that functions as a humectant and osmoprotectant, helping skin cells maintain hydration balance under osmotic stress.
An essential amino acid used as a humectant that contributes to the skin's natural moisturizing factor.
A conditionally essential aromatic amino acid used in cosmetics as a humectant that helps maintain skin hydration.
An essential amino acid used in cosmetics as a humectant that supports the skin's natural moisturizing factor system.