Nitrocellulose
AKA “Cellulose Nitrate, Pyroxylin, Gun Cotton
Ingredient
Ingredient Facts
Nitrocellulose
AKA: Cellulose Nitrate, Pyroxylin, Gun Cotton
Ingredient · Film Forming · EWG: 1
Synthetic
Occlusive
Clean
Cellulose, nitrate
CAS #
9004-70-0
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Dispersing Non Surfactant
Fights Bacteria
Creates protective layer
Evenly distributes particles
Traditional Use
Developed in the 1840s as a modified cellulose compound through nitric acid treatment. Adopted by the cosmetics industry in the early 20th century as the primary film-forming agent in nail polish, providing color, shine, and durability.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR