Octenidine HCl

OCT

4/10

Concern level

Moderate concern

A cationic antiseptic antimicrobial used in topical and hygiene applications. COSMILE lists it as an antimicrobial ingredient that helps control the growth of microorganisms; PubChem identifies octenidine hydrochloride as a distinct active substance with a high molecular weight salt form. ([cosmileeurope.eu](https://cosmileeurope.eu/inci/detail/9593/octenidine-hcl/?utm_source=openai))

Pore-clogging

Non-comedogenic

Regulatory

No data

Benefits

Antiseptic

Chemical Properties

Molecular Weight

623.8 g/mol

pH Range

4.00 - 8.00

Typical Concentration

0.05% - 1.00%

CAS Number: 70775-75-6

Skin Type Compatibility

dry skin3/10

oily skin6/10

sensitive skin2/10

acne prone5/10

mature skin4/10

normal skin4/10

Interactions

incompatible with: other strong antiseptics, high-strength exfoliating acids, retinoids on compromised skin, benzoyl peroxide on very sensitive skin

Risks & Warnings

Can be irritating in leave-on use, especially on broken, mucosal, or very sensitive skin. It is best treated as a strong antimicrobial active rather than a gentle cosmetic conditioner. Pregnancy-specific cosmetic safety data were not established in the sources reviewed. ([cosmileeurope.eu](https://cosmileeurope.eu/inci/detail/9593/octenidine-hcl/?utm_source=openai))

Vegan Cruelty-Free