INCI name

HEXAMIDINE DIISETHIONATE

Hexamidine diisethionate

An antimicrobial and preservative regulated in Annex V.

What it is

Hexamidine diisethionate is the isethionic acid salt of hexamidine, a synthetic compound from the amidine group. CosIng lists it as an anti-seborrheic agent, antimicrobial and preservative. In the EU it is listed in Annex V (allowed preservatives).

Where it is used

Found in creams, serums, cleansers, deodorants and hair products.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

See the EU regulation section for the applicable limits. The label does not show the concentration actually used.

Functions

Anti-seborrheic
Preventing or relieving the symptoms of seborrhea and/or seborrheic dermatitis, including dandruff.
Antimicrobial
Preventing and/or slowing down microbial growth.
Preservative
Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.

EU regulation

EU · Annex V, entry 47Benzenecarboximidamide, 4,4'-(1,6-hexanediylbis(oxy))bis-, and its salts (including isothionate and p-hydroxybenzoate)
Maximum concentration
0.1%
As of
3 November 2026 · (EC) 2009/1223

Products with this ingredient (17)

Check a full ingredient list