Benzophenone-1
INCI: BENZOPHENONE-1
CAS 131-56-6 [^1_7] EC 205-029-4
2,4-Dihydroxybenzophenone
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
2,4-Dihydroxybenzophenone
Purpose
Function
UV absorber, light stabilizer (protects formulations from UV degradation)
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Banned
Safety
POOR
US
Permitted
Absorptionmoderate
Sensitizationmoderate
MoSadequate
NOAEL50 mg/kg
ConcernHigh
Verdict
SCCS considers benzophenone-1 not safe due to unresolved genotoxicity and endocrine disrupting properties; exhibits strong estrogen receptor activity; detected in human urine and blood as metabolite of benzophenone-3; EU prohibition or severe restriction expected following SCCS opinion; cross-contamination risk from benzophenone-3 metabolism.
US Note
Not an approved OTC sunscreen active; permitted as cosmetic ingredient (non-sunscreen function); no FDA restriction currently
Assessment
Ratings
Reference