Methylparaben
AKA “USP, 98
Preservative
Ingredient Facts
Methylparaben
AKA: USP, 98
Preservative · Preservative · EWG: 4
Synthetic
Preservative
Not Clean
Methylparaben is found in alcoholic beverages. Methylparaben is an antimicrobial agent, preservative, flavouring agent. Methylparaben is a constituent of cloudberry, yellow passion fruit, white wine, botrytised wine and Bourbon vanilla. Methylparaben has been shown to exhibit anti-microbial function Methylparaben belongs to the family of Hydroxybenzoic Acid Derivatives. These are compounds containing an hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxylic acid. (A3204).
Formula
C8H8O3
Mol. Weight
152.15
CAS #
99-76-3
See origin →
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Prevents microbial growth
Provides scent
Traditional Use
This is a quality standard designation (United States Pharmacopeia) indicating pharmaceutical-grade purity, not an ingredient itself.
Skin Types
all-skin-types
Best For
General
EWG
4
CIR
Safe as used
Pregnancy
Restricted By
CIR Safety Findings
ewg-4
medical-approval
all-shades-safe
Phototoxicity Concern
Concentration Guide
0.4%
0%1%
Reg. Limit
EU/SCCS limit: 0.4% in cosmetic products. Opinion: SCCS/1652/23
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Final amended report on the safety assessment of Methylparaben, Ethylparaben, Propylparaben, Isopropylparaben, Butylparaben, Isobutylparaben, and Benz
International journal of toxicology, 2008
Final amended report on the safety assessment of Methylparaben, Ethylparaben, Propylparaben, Isopropylparaben, Butylparaben, Isobutylparaben, and Benz
International journal of toxicology, 2008
Final amended report on the safety assessment of Methylparaben, Ethylparaben, Propylparaben, Isopropylparaben, Butylparaben, Isobutylparaben, and Benz
International journal of toxicology, 2008
Final Amended Report on the Safety Assessment of Methylparaben, Ethylparaben, Propylparaben, Isopropylparaben, Butylparaben, Isobutylparaben and Benzylparaben as used in cosmetic products
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Methylparaben, Ethylparaben, Propylparaben, and Butylparaben
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Methylparaben
European Commission
EU Cosmetic Ingredient Database (CosIng)
Potassium Methylparaben
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Methylparaben
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methylparaben
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Sensory irritation to methylparaben is caused by its low metabolism in the skin.
Ninomiya R, Nishijima T, Aoshima M, Sakaguchi H, Tokura Y
The Journal of dermatology, 2023
Analytical Method for the Identification and Assay of Kojic Acid, Methylparaben, and Propylparaben in Cosmetic Products Using UPLC: Application of ISO
Qadir MA, Ahmed M, Shafiq MI, Ali A, Sadiq A
Journal of AOAC International, 2016
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR