Quaternium-15

AI-analyzed

INCI: QUATERNIUM 15

preservative

What it does

Quaternium-15 is a formaldehyde-releasing preservative formerly commonly used in cosmetics to prevent microbial growth, thereby extending product shelf life.

Skin Concerns

No specific concern data available

Safety & Science

Safety summary

Quaternium-15 is a known formaldehyde-releasing preservative and contact allergen. Its use has significantly declined due to safety concerns, particularly regarding skin sensitization.

Found In Products

Related Ingredients

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