Melamine/Formaldehyde Resin

Melamine/Formaldehyde Resin 1
Melamine/Formaldehyde Resin 2
Melamine/Formaldehyde Resin 3
AKA: Melamine Formaldehyde Resin, Melamine Resin
Allergen Warning
⚠️ Formaldehyde
Plant-Derived Synthetic
Occlusive
Not Clean
Melamine/Formaldehyde Resin is a cosmetic ingredient. Assessed as safe by the CIR.
CAS #
9003-08-1
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.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR