Melamine/Formaldehyde Resin
AKA “Melamine Formaldehyde Resin, Melamine Resin
Synthetic
Ingredient Facts
Melamine/formaldehyde resin
AKA: Melamine Formaldehyde Resin, Melamine Resin
Synthetic · Astringent · EWG: 4
Plant-Derived Synthetic
Occlusive
Astringent
Skin Conditioner
Synthetic
Not Clean
Creates a protective layer on skin and hair to lock in moisture and extend product wear time.
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.
Viscosity Controlling
Occlusive
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Astringent
Tightens and contracts skin tissue, temporarily shrinking pores and reducing oiliness. That "clean, tight" feeling after toner.
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
Allergen Warning
⚠️ Formaldehyde
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR