Hydroxypropyl Methacrylate
AKA “Rocryl 410, 1, 2-Propanediol, monomethacrylate, UKW89XAX2X, 2-methyl, Methacrylic acid, monoester with 1, 2-propanediol, 2-Propenoic acid, 2-methyl-, 2-hydroxymethylethyl ester, RefChem:923164, DTXSID5027936, DTXCID301778493, 248-666-3
Ingredient
Ingredient Facts
Hydroxypropyl methacrylate
AKA: Rocryl 410, 1, 2-Propanediol, Monomethacrylate, UKW89XAX2X, 2-methyl, Methacrylic acid, Monoester with 1, 2-propanediol, 2-Propenoic acid, 2-methyl-, 2-hydroxymethylethyl ester, RefChem:923164, DTXSID5027936, DTXCID301778493, 248-666-3
Ingredient · Film Forming · EWG: 2
Synthetic
Occlusive
Clean
2-Propenoic acid, 2- methyl-, Monoester with 1,2-Propanediol
Solubility Limited solubility in water, sol in common organic solvents
Formula
C7H12O3
Mol. Weight
144.17
CAS #
27813-02-1
Form
Powder
State
Hydroxypropyl methacrylate appears as white liquid with a light unpleasant odor. May float or sink in water. (USCG, 1999)
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
Traditional Use
A synthetic acrylic polymer precursor developed mid-20th century in industrial chemistry. Adapted for cosmetic use as a film-forming and texturizing agent in modern skincare and cosmetic products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
2
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Final Report on the Safety Assessment of 2-Methyl-5-Hydroxyethylaminophenol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of 2-Methylresorcinol and Resorcinol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Methacrylic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
2-Methyl-5-Hydroxyethylaminophenol
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Methylresorcinol
European Commission
EU Cosmetic Ingredient Database (CosIng)
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydroxypropyl Methacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isopropylidenediphenyl Bisoxyhydroxypropyl Methacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methacrylic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methacrylic Acid/Styrene/VP Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-5/2 Methacrylate/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Methyl-1-Phenyl-2-Propanol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2-Methyl-5-Hydroxyethylaminophenol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2-Methylresorcinol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Hydroxypropyl Methacrylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Isopropylidenediphenyl Bisoxyhydroxypropyl Methacrylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methacrylic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2-Methyl-m-phenylenediamine
Health Canada
Health Canada Cosmetic Ingredient Hotlist
2-Methylheptylamine and its salts
Health Canada
Health Canada Cosmetic Ingredient Hotlist
2,3-Dichloro-2-methylbutane
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Methacrylic acid
Health Canada
Health Canada Cosmetic Ingredient Hotlist
[Pharmacological studies of N-(2-mercapto-2-methylpropionyl)-L-cysteine (SA 96). VI. Effects on vitamin B6, metals and skin collagen in rats].
Yamauchi H, Morikawa K, Kuwano M, Hikida M, Fujimura K et al.
Nihon yakurigaku zasshi. Folia pharmacologica Japonica, 1985
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR