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Cellulose Acetate
AKA “Cellulose ethanoate”
Ingredient
Ingredient Facts
Cellulose acetate
AKA: Cellulose ethanoate
Ingredient · Film Forming · EWG: 1
Synthetic
Occlusive
Clean
Cellulose, acetates
CAS #
9004-35-7
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
Anti-Aging Benefits
Antioxidant Protection
Locks In Moisture
Traditional Use
A semi-synthetic polymer derived from cellulose, developed in the early 20th century. Originally used in film and textiles, later adopted by the cosmetics industry as a film-forming and thickening agent for nail lacquers and skincare products.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Carboxymethyl Cellulose Acetate Butyrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Cellulose Acetate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Cellulose Acetate Butyrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Cellulose Acetate Propionate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Cellulose Acetate Propionate Carboxylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydroxypropyl Methylcellulose Acetate/Succinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Developing a stable aqueous enteric coating formulation with hydroxypropyl methylcellulose acetate succinate (HPMCAS-MF) and colloidal silicon dioxide
Deshpande TM, Quadir A, Obara S, Ibrahim A, Hoag SW
International journal of pharmaceutics, 2018
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Carboxymethyl Cellulose Acetate Butyrate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Cellulose Acetate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Cellulose Acetate Butyrate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Cellulose Acetate Propionate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Cellulose Acetate-Based Wound Dressings Loaded with Bioactive Agents: Potential Scaffolds for Wound Dressing and Skin Regeneration.
Ndlovu SP, Alven S, Hlalisa K, Aderibigbe BA
Current drug delivery, 2024
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Verified Jun 2026
Data: CosIng · EWG · CIR