Cosmetic ingredient

TAURINE

Taurine is a small amino-sulfonic compound, known beyond cosmetics for taking part in water and salt balance within certain cells. It is not an oil, plant extract or pigment: on an ingredient list it appears as TAURINE and its water-soluble structure is useful in formulas that bring together different phases and raw materials.

INCITA1 products
CAS number
107-35-7
EC number
203-483-8
Chemical name
Ethanesulfonic acid, 2-amino-

TAURINE: what it is

Taurine is a small amino-sulfonic compound, known beyond cosmetics for taking part in water and salt balance within certain cells. It is not an oil, plant extract or pigment: on an ingredient list it appears as TAURINE and its water-soluble structure is useful in formulas that bring together different phases and raw materials.

In skin biology, taurine is described as an organic osmolyte, a small molecule associated with cellular volume adjustment when the surrounding environment changes. That context distinguishes taurine from ingredients that form a surface film or provide product texture; seeing the name in a formula, however, does not identify the source material selected by its manufacturer.

TAURINE: what it does in cosmetics

In cosmetics, TAURINE is listed for buffering. In practical terms, it can help keep a preparation's acidity from shifting abruptly as components are combined. Keeping pH within the intended range supports the formula itself, but it is not an effect a person would notice as fragrance, colour or immediate softness.

A 2006 study examined taurine in reconstructed epidermis and after topical application following repeated exposure to a surfactant. Its findings belong to that defined stress protocol and do not establish that every cosmetic containing taurine prevents dryness or treats skin changes. For someone reading a label, buffering remains the most direct explanation for why it may be included.

Catalogue presence

Products containing this ingredient

See which products include it and the name used in each composition.