Tolunesulfonamide/Formaldehyde Resin-80
AKA “Tosylamide/formaldehyde resin 80, TSF resin 80
Ingredient
Ingredient Facts
Tolunesulfonamide/formaldehyde resin-80
AKA: Tosylamide/formaldehyde resin 80, TSF resin 80
Ingredient · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Not Clean
Tolunesulfonamide/Formaldehyde Resin-80 is a cosmetic ingredient. Assessed as safe by the CIR.
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Traditional Use
A cosmetic resin formulation developed in the 20th century with an 80% resin concentration. Designed for use in nail polish to provide enhanced film-forming and adhesive properties.
Skin Types
all-skin-types
Best For
General
Allergen Warning
⚠️ Formaldehyde
EWG
4
CIR
Safe as used
Pregnancy
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR