Butylated Hydroxyanisole
molecular structure · PubChem
AKA: BHA, 6-di-tert-butyl-4-methoxyphenol, Butylated methoxyphenol
Synthetic
Skin Conditioner
Not Clean
OriginSynthesized from 4-methoxyphenol or para-methoxyphenol precursors through chemical synthesis in industrial laboratories. Produced by alkylation reactions that add butyl groups to the methoxyphenol base structure.
Butylated Hydroxyanisole is a cosmetic ingredient. Assessed as safe by the CIR.
Formula
C11H16O2
Mol. Weight
180.24
CAS #
25013-16-5
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Antioxidant Protection
Locks In Moisture
Fights Bacteria
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
No
Restricted By
CIR Safety Findings
Not Phototoxic
Human test found no phototoxicity in the CIR safety assessment (CIR 890)
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
murphy