Skincare that makes sense. See what's really in your products — in plain English.

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

Formaldehyde

AI-analyzed

INCI: FORMALDEHYDE

antimicrobialdenaturantpreservative

What it does

Formaldehyde is a chemical used as a preservative in cosmetics due to its strong antimicrobial properties, preventing the growth of bacteria and fungi. It also acts as a denaturant.

Skin Concerns

May aggravate

sensitivityeczemarosacearedness

Safety & Science

Safety summary

Formaldehyde is a known sensitizer and allergen, and its use in cosmetics is highly restricted or banned in many regions due to potential skin irritation, allergic reactions, and concerns about carcinogenicity. Individuals with sensitive skin or allergies should avoid products containing it.

CAS Number

50-00-0

Found In Products

Related Ingredients

At a Glance

INCI Name: FORMALDEHYDE
Common Name: Formaldehyde
Functions: antimicrobial, denaturant, preservative
Products: 82 products
CAS Number: 50-00-0

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

Formaldehyde — Skincare Ingredient Guide — Dermasift — Dermasift