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4
4-nitro-m-phenylenediamineAvoidA synthetic chemical compound primarily utilized as a coupling agent in oxidative hair dye formulations. This aromatic a...
- 4-nitro-m-phenylenediamine SulfateAvoid
A synthetic chemical compound primarily used as a dye precursor in oxidative hair coloring systems. This water-soluble s...
- 4-nitro-o-phenylenediamineAvoid
A substituted aromatic amine compound primarily utilized as a colorant in hair dye formulations. This ingredient functio...
- 4-nitro-o-phenylenediamine DihydrochlorideAvoid
A substituted aromatic amine compound primarily utilized as a chromogen in oxidative hair coloring formulations. This wa...
- 4-nitro-o-phenylenediamine HclAvoid
A nitro-substituted aromatic amine compound primarily used as a hair dye precursor that provides yellow-to-orange colora...
- 4-nitro-o-phenylenediamine SulfateQuestionable
A synthetic aromatic amine compound primarily utilized as a direct dye and oxidative coupler in hair coloring formulatio...
- 4-nitroguaiacolAvoid
A nitrophenolic compound historically utilized in hair dye formulations but now banned in cosmetic applications due to s...
- 4-nitrophenyl AminoethylureaInsufficient Data
A specialized nitro-dye compound primarily developed for hair coloration applications. This water-soluble colorant works...
- 4-phenylpropylpyridineOptional
An aromatic pyridine derivative primarily employed as a fragrance component in cosmetic formulations. This compound serv...
- 4-t-butyl BenzaldehydeAvoid
4-t-butyl benzaldehyde is a synthetic aromatic aldehyde primarily employed as a fragrance component in cosmetic formulat...
- 4-t-butyl StyreneAvoid
A reactive monomeric building block used primarily in polymer synthesis rather than as a direct skincare ingredient. Whe...
- 4-t-butylbenzoic AcidAvoid
A crystalline aromatic acid primarily utilized as a chemical intermediate in UV filter synthesis, most notably for Avobe...
- 4-t-butylcyclohexanolValuable
A specialized neuro-cosmetic ingredient that functions as a selective TRPV1 receptor antagonist, effectively interruptin...
- 4-terpineolValuable
A refined monoterpene alcohol derived from tea tree oil that delivers potent antimicrobial and anti-inflammatory benefit...
- 4-tert-butylcyclohexane CarbaldehydeOptional
A synthetic aldehyde compound primarily utilized as a fragrance ingredient in cosmetic formulations, delivering floral-w...
- 4-tert-butylcyclohexanoneValuable
A precision-engineered TRPV1 channel antagonist that delivers rapid relief from skin sensitivity and irritation. This sy...
- 4-tert-butylcyclohexyl AcetateValuable
A specialized TRPV1 receptor antagonist that intercepts neurosensory irritation signals before they trigger stinging and...
- 4-tert-butyldihydrocinnamaldehydeOptional
An aromatic aldehyde fragrance compound that delivers a distinctive fresh, floral lily-of-the-valley scent to skincare f...
- 4-tert-butyltolueneOptional
An aromatic hydrocarbon compound primarily utilized as a fragrance ingredient in cosmetic formulations. This oil-soluble...
- 4-thujanolOptional
A bicyclic monoterpenoid alcohol primarily used as a fragrance component with mild penetration enhancement properties. T...
