Benzylparaben
molecular structure · PubChem
AKA: Benzyl 4-hydroxybenzoate, 94-18-8, Benzyl paraben, Benzyl p-hydroxybenzoate, Nipabenzyl, Benzyl Tegosept, Benzyl parahydroxybenzoate, P-Hydroxybenzoic acid benzyl ester, Benzoic acid, Phenylmethyl ester
Synthetic
Preservative
Not Clean
Benzylparaben is a Standardized Chemical Allergen. The physiologic effect of benzylparaben is by means of Increased Histamine Release, and Cell-mediated Immunity.
Formula
C14H12O3
Mol. Weight
228.24
CAS #
94-18-8
Form
Powder
Functions
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Fights Bacteria
Traditional Use
Synthesized in the early-to-mid 20th century as a synthetic preservative. Part of the paraben family developed to replace earlier preservatives and prevent microbial contamination in cosmetic formulations.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
CIR Safety Findings
medical-approval
all-shades-safe
Phototoxicity Concern
Concentration Guide
Dermal absorption: 0.1%. Source: CIR Safety Assessment (CIR Seq 746).
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR