2-Methylresorcinol
AKA “2-methylbenzene-1, 3-diol, 608-25-3, 2, 6-Dihydroxytoluene, 1, 3-Benzenediol, 2-methyl-, 2-Methyl-1, 3-benzenediol, 3-dihydroxybenzene, DTXSID0025571, ORISTAR MR, RODOL MRS”
Ingredient
Ingredient Facts
2-Methylresorcinol
AKA: 2-methylbenzene-1, 3-diol, 608-25-3, 6-Dihydroxytoluene, 1, 3-Benzenediol, 2-methyl-, 2-Methyl-1, 3-benzenediol, 3-dihydroxybenzene, DTXSID0025571, ORISTAR MR, RODOL MRS
Ingredient · Hair Dyeing · EWG: 5
Synthetic
Not Clean
2-Methylresorcinol has been reported in Nigrospora with data available.
Formula
C7H8O2
Mol. Weight
124.14
CAS #
608-25-3
Form
Powder
State
Colorless to light brown solid; [EC: SCCP]
See origin →
Functions
Hair Dyeing
Antioxidant Protection
Fights Bacteria
Colors Hair
Traditional Use
A synthetic derivative of resorcinol, a compound historically used in topical medicines. Developed as a hair dye coupler in the mid-20th century to produce lasting hair color.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
5
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
ewg-5
medical-approval
all-shades-safe
Phototoxicity Concern
Concentration Guide
1.8%
0%3%
Reg. Limit
EU regulatory limit: 1.8%. 1.8 %. Hair colourants can cause severe allergic reactions Read and follow instructions Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 243.
Regulatory Agencies
Addendum to the Final Report on the Safety Assessment of 2-Bromo-2-Nitropropane-1,3-Diol (JEPT 4(4) 47-61 1980)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report of the Safety Assessment for 2-Bromo-2-Nitropropane-1,3-Diol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
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
Revised Tentative Report: Amended Safety Assessment of 2-Bromo-2-Nitropropane-1,3-Diol as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
2-Bromo-2-Nitropropane-1,3-Diol
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Methyl-5-Hydroxyethylaminophenol
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Methylresorcinol
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Bromo-2-Nitropropane-1,3-Diol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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
2-Bromo-2-nitropropane-1,3-diol
Health Canada
Health Canada Cosmetic Ingredient Hotlist
2-Methyl-m-phenylenediamine
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Kitty Litter Dermatitis from-Bromo-2-Nitropropane-1,3-Diol.
Sullenbarger JW, Hensley B, Travers JB
Skinmed, 2017
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR