• INCI Name:          4-butylresorcinol
  • Chemical Name: 1,3-Dihydroxy-4-N Butyl Benzene
  • CAS No:                18979-61-8

What is 4-butylresorcinol?
4-Butylresorcinol has outstanding whitening effect, can effectively inhibit tyrosinase and peroxidase, effectively combat hyperpigmentation of skin exposed to the sun, and is effective against DNA damage caused by hydrogen peroxide. Strong protective effect and good safety.

4-Butylresorcinol whitening mechanism
◆ Before melanin synthesis, interfere with tyrosinase synthesis and glycosylation;
◆ In the synthesis of melanin, it inhibits the activity of enzymes, acts as a competitive inhibitor of tyrosinase and TRP1 enzyme, and reduces the formation of by-products that promote melanogenesis;
◆ After melanin is synthesized, it increases tyrosinase degradation and inhibits the transfer of melanosomes to keratinocytes.

Effects of 4-butylresorcinol
◆ Strongly inhibit tyrosinase and peroxidase;
◆ Highly effective skin whitening agent;
◆ Effectively combat chloasma;
◆ It has a strong protective effect on DNA damage induced by hydrogen oxide;
◆ Anti-glycation effect.

Uses & Applications

Personal care and cosmetic

4-Butylresorcinol is mainly used as a whitening agent and antioxidant in cosmetics. It is often used in freckle removal, whitening, and antioxidant products. Its products are in the form of lotion, essence, essence milk, essence cream, etc.

Product Details






White to off-white powder

Content %


Melting point ℃



slight characteristic odor


oil soluble or alcohol soluble

Shelf Life

24 months

Download Data Sheet

Technical Data Sheet –4-Butylresorcinol 

Material Safety Data Sheet–4-Butylresorcinol 

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