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4-ethoxy-m-phenylenediamine SulfateAvoid4-Ethoxy-m-phenylenediamine Sulfate is a synthetic aromatic amine compound historically used as a coupling agent in perm...
- 4-ethoxybenzaldehydeValuable
A targeted anti-inflammatory compound that demonstrates clinically proven efficacy in reducing facial redness and improv...
- 4-ethyl-6-(2,6,6-trimethyl-2-cyclohexenyl)-2-hexene-1,4-diol CyclizedOptional
A specialized fragrance molecule that serves as a perfuming agent in cosmetic formulations, designed to enhance sensory...
- 4-ethyl-alpha,alpha-dimethyl-benzenepropanenitrileInsufficient Data
A synthetic aromatic compound primarily utilized as a fragrance ingredient in cosmetic formulations. This benzene-derive...
- 4-ethyl-gamma-octalactoneOptional
A fragrance ingredient belonging to the gamma-lactone family that delivers a distinctive sweet, creamy, coconut-like aro...
- 4-ethylacetophenoneOptional
A synthetic aromatic ketone compound primarily utilized as a fragrance component in cosmetic formulations. While its che...
- 4-ethylbenzaldehydeQuestionable
A fragrant aldehyde compound used exclusively as a perfuming agent in cosmetic formulations. While it provides pleasant...
- 4-ethylguaiacolOptional
A phenolic fragrance compound that serves dual purposes in skincare formulations as both a scent enhancer and masking ag...
- 4-ethylocta-2,4-dienoic AcidInsufficient Data
A specialized fragrance modifier with high lipophilicity (logP 3.215) that functions primarily as an olfactory enhancer...
- 4-ethyloctanoic AcidQuestionable
A branched-chain fatty acid primarily recognized as a fragrance component with a distinctive odor profile. This compound...
- 4-ethylphenolQuestionable
A phenolic compound primarily used as a fragrance component and antimicrobial agent in cosmetic formulations. Research s...
- 4-ethylresorcinolValuable
A precision-targeted tyrosinase inhibitor that addresses hyperpigmentation through dual-action melanin suppression and a...
- 4-fluoro-6-methyl-m-phenylenediamine SulfateQuestionable
A fluorinated phenylenediamine derivative primarily utilized as an oxidative hair dye precursor in professional coloring...
- 4-formyl-1-methylquinolinium-p-toluenesulfonateQuestionable
A quinolinium-based chemical intermediate primarily designed for oxidative hair coloring systems. This synthetic compoun...
- 4-formyl-2-methoxyphenyl IsobutyrateOptional
A synthetic vanillin derivative engineered specifically for fragrance applications, offering superior stability and redu...
- 4-furanylethyl ResorcinolValuable
A synthetic resorcinol derivative engineered to target hyperpigmentation through precise tyrosinase inhibition. This adv...
- 4-hydroxy-2-methoxybenzaldehydeValuable
A vanillin derivative that functions as a multi-pathway brightening agent, targeting hyperpigmentation through prostagla...
- 4-hydroxybenzoic AcidValuable
A multifunctional preservative compound that serves as the parent structure for paraben esters, offering antimicrobial p...
- 4-hydroxybutyl AcrylateQuestionable
A reactive monomer that polymerizes to form flexible, film-forming structures in cosmetic formulations, primarily used i...
- 4-hydroxyindoleInsufficient Data
A hydroxyindole derivative with emerging research in protein aggregation inhibition and potential anti-aging application...
