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For informational purposes only — not medical advice. Always consult a dermatologist for skin concerns.

Octylisothiazolinone

1% line markerAI-analyzed

INCI: KONSERVIERUNGSMITTEL (METHYLCHLOROISOTHIAZOLINONE UND METHYLISOTHIAZOLINONE, OCTYLISOTHIAZOLINONE)

preservativeantimicrobial

What it does

A preservative and antimicrobial agent primarily used in industrial applications and sometimes in rinse-off cosmetic products to inhibit the growth of microorganisms.

Skin Concerns

No specific concern data available

Safety & Science

Safety summary

Can be a skin sensitizer and is restricted in cosmetic use due to potential for irritation and allergic reactions, especially in leave-on products.

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

Found In Products

Related Ingredients

At a Glance

INCI Name: KONSERVIERUNGSMITTEL (METHYLCHLOROISOTHIAZOLINONE UND METHYLISOTHIAZOLINONE, OCTYLISOTHIAZOLINONE)
Common Name: Octylisothiazolinone
Functions: preservative, antimicrobial
Products: 1 product

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.

Octylisothiazolinone — Skincare Ingredient Guide — Dermasift — Dermasift