Is Trimethylbenzophenone safe in cosmetics?
Trimethylbenzophenone has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Trimethylbenzophenone
INCI: TRIMETHYLBENZOPHENONE
Trimethylbenzophenone (CAS Multiple isomers exist (e.g., 4,4'-bis variants); most common cosmetic-relevant: check specific substitution pattern) is a cosmetic cosmetic ingredient functioning as UV absorber / UV filter; fragrance modifier. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Multiple isomers exist (e.g., 4,4'-bis variants); most common cosmetic-relevant: check specific substitution pattern
View industrial chemical safety profile →
Function
UV absorber / UV filter; fragrance modifier
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Not among FDA-approved OTC sunscreen active ingredients
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethylbenzophenone.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Trimethylbenzophenone.
Regulatory Flags
fragrance-component
Frequently Asked Questions
Is Trimethylbenzophenone allowed in the EU?
Trimethylbenzophenone EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethylbenzophenone do in cosmetics?
Trimethylbenzophenone functions as: UV absorber / UV filter; fragrance modifier. It is classified as a cosmetic ingredient in our database. CAS number: Multiple isomers exist (e.g., 4,4'-bis variants); most common cosmetic-relevant: check specific substitution pattern.
Compliance Tools
Check Trimethylbenzophenone compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
Benzylidene Camphor Sulfonic Acid
Excellent
Same category
UV filter (broadband UVB + UVA absorb...
Dioctylaminoethoxytriazine Aminopropyl Silsesquioxane Silicate
Excellent
Same category
Film forming agent that creates prote...
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT)
Excellent
Same category
UV filter, light stabilizer
Triethoxycaprylylsilane
Excellent
Same category
Binder, Surface Modifier, Skin Condit...
Trimethoxycaprylylsilane
Excellent
Same category
Surface modifier, binder, skin condit...
Tris-Biphenyl Triazine
Excellent
Same category
UV Filter – most efficient UVB + UVA2...
(20S)-Protopanaxadiol
Moderate
Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate
Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate
Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate
Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate
Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate
Similar safety
Skin conditioning, antioxidant
TRI (POLYGLYCERYL-3/LAURYL) HYDROGENATED TRILINOLEATE
Good
Browse nearby
Surfactant - Cleansing, Surfactant - ...
TRICHLOROMETHYL PHENYL CARBINYL ACETATE
Good
Browse nearby
Perfuming
TRICHODESMA ZEYLANICUM OIL
Good
Browse nearby
Skin Conditioning, Skin Conditioning ...
Is Trimethylbenzophenone in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Trimethylbenzophenone in your formulation.