4-T-BUTYLBENZOIC ACID is graded F** (Banned) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexII.
4-T-BUTYLBENZOIC ACID
Safety grade: F**
This is a synthetic chemical compound derived from benzoic acid, a substance naturally found in some plants and fruits. It is a white powder used in small amounts in cosmetic formulas.
It is used in cosmetic products to help prevent the growth of harmful bacteria and microorganisms, while also helping to mask or neutralize unwanted odors in the formula.
Graded using: COSING.
- EU COSING — Prohibited
Last verified: June 7, 2026
Safer alternatives to 4-T-BUTYLBENZOIC ACID
- ROSMARINUS OFFICINALIS LEAF EXTRACT — Grade A. Natural extract with proven antimicrobial and odor-masking properties.
- SODIUM ANISATE — Grade A. Antimicrobial preservative that prevents microbial growth in formulas.
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A. Plant extract with antimicrobial activity and odor-neutralizing masking function.
Other CMR Substance ingredients
- CYCLOMETHICONE — Grade F**
- PETROLEUM — Grade F
- FORMALDEHYDE — Grade F
- STYRENE — Grade F**
- TETRAHYDROFURFURYL ALCOHOL — Grade F**
- CHLOROACETAMIDE — Grade F**
Other Antimicrobial ingredients
- ALCOHOL — Grade A**
- C12-15 ALKYL BENZOATE — Grade A
- BENZYL BENZOATE — Grade C
- CETRIMONIUM CHLORIDE — Grade A
- CHLORPHENESIN — Grade B
- HYDROGEN PEROXIDE — Grade C**
- CETYLPYRIDINIUM CHLORIDE — Grade A