Melamine/Formaldehyde Resin
AKA “Melamine Formaldehyde Resin, Melamine Resin”
Ingredient
Ingredient Facts
Melamine/formaldehyde resin
AKA: Melamine Formaldehyde Resin, Melamine Resin
Ingredient · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Not Clean
Melamine/Formaldehyde Resin is a cosmetic ingredient. Assessed as safe by the CIR.
CAS #
9003-08-1
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
UV Protection
Provides UV protection
Helps shield skin from sun damage
Supports broad
Spectrum defense
Traditional Use
Developed in the 1930s as a synthetic polymer. Used in cosmetics primarily as a film-forming agent in nail polish, where its hardness and adhesion properties create long-lasting color and shine.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Allergen Warning
⚠️ Formaldehyde
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR