High-Purity 4-Butylresorcinol Powder for Cosmetic Use

4-Butylresorcinol is a high-performance cosmetic active ingredient widely used in skin brightening and spot-correcting formulations. It effectively inhibits tyrosinase activity, helping to reduce hyperpigmentation and improve overall skin tone. Due to its excellent efficacy at low concentrations, it is commonly applied in advanced whitening and anti-spot skincare products.

Product Name	4-Butylresorcinol
INCI	4-Butylresorcinol
CAS No.	18979-61-8
Appearance	White to Off-White Powder
Package	1kg/Bag or 25kg/Fiber Drum

Applications

4-Butylresorcinol is suitable for a wide range of cosmetic and personal care formulations, including:

Whitening and brightening serums
Anti-spot and pigmentation treatments
Facial creams and lotions
Emulsions and gels

Whitening & Tyrosinase Inhibition Efficacy Comparison

4-Butylresorcinol (4-B) exhibits the strongest whitening effect and tyrosinase inhibition, outperforming Kojic Acid, Hydroquinone, and Arbutin: 4-B > Kojic Acid > Hydroquinone > Arbutin

Melanin inhibition effect diagram