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| Chemical Name | 4-Butylresorcinol | 4-Butylresorcinol is an active ingredient that inhibits melanin production at the cellular level. It is widely recognized as a highly potent brightening agent for premium cosmetic formulations. |
| Category | Organic Compound | |
| Appearance | White Crystalline powder | |
| Molecular Formula | C10H14O2 | |
| Molecular Weight | 166.217 | |
| Solubility | Soluble in ethanol, ether; slightly soluble in water | |
| CAS Number | 18979-61-8 |
Skin Brightening and Lightening: Widely used in premium serums, creams, lotions, and spot treatments to visibly reduce the appearance of dark spots, hyperpigmentation, and melasma.
Dark Spot Corrector: Targeted for age spots, sun spots, and freckles to fade existing pigmentation and prevent new spots.
Even Skin Tone: Used in daily complexion-perfecting formulas to achieve uniform skin tone and reduce discoloration.
Anti-Aging: Combined with peptides and vitamins to address both pigmentation and fine lines or loss of radiance.
Post-Inflammatory Care: Helps fade residual marks from breakouts or irritation without causing sensitivity.
Sun Care: Complements UV protection by interrupting the pigmentation cascade triggered by radiation.


