Shown: D-glucuronic acid, one of the two sugars that repeat in hyaluronic acid. This is not the polymer.

Ingredient

Hyaluronic Acid

Polymer: (C14H21NO11)n

Still foundational to glass-skin, plumping and barrier routines and now frequently combined with regenerative actives.

Category: Humectant

Chemical formula: Polymer: (C14H21NO11)n

Main cosmetic effects: Humectant hydration; plumping appearance.

Source: Usually produced by microbial fermentation.

Developer / supplier: Originally isolated from animal tissue; modern supply dominated by fermentation manufacturers

Origin: Japan / China / Global

Representative product: The Ordinary Hyaluronic Acid 2% + B5

Approx. retail price (USD): 9-10

Evidence maturity: Strong evidence for hydration

What it does

Humectant hydration; plumping appearance.

Humectant | Strong evidence for hydration