BangkokFillers

4-Butylresorcinol

4-Butylresorcinol

Also known as: Butylresorcinol, p-Butylresorcinol

Last verified: 2026-08-14

What is 4-Butylresorcinol?

4-Butylresorcinol (4-Butylresorcinol) is an active ingredient commonly found in skincare sold in Thailand. Highly potent dual tyrosinase and TRP-1 inhibitor; effective for stubborn pigmentation.

Current evidence: Strong clinical evidence for brightening, comparable to hydroquinone. Typical concentration in finished products is 0.1-0.3% Best suited for: Brightening & dark spots — found in 2 products in the BangkokFillers database

Typical concentration0.1-0.3%

Efficacy by skin concern

Brightening & dark spots

Products with this ingredient(2)

Sources

Frequently asked

What is 4-Butylresorcinol?

4-Butylresorcinol (4-Butylresorcinol) is an active ingredient commonly found in skincare sold in Thailand. Highly potent dual tyrosinase and TRP-1 inhibitor; effective for stubborn pigmentation. Current evidence: Strong clinical evidence for brightening, comparable to hydroquinone. Typical concentration in finished products is 0.1-0.3% Best suited for: Brightening & dark spots — found in 2 products in the BangkokFillers database

What concentration of 4-Butylresorcinol should I use?

The typical effective concentration for 4-Butylresorcinol is 0.1-0.3%. Check the product label and increase gradually to minimise irritation.

What skin concerns does 4-Butylresorcinol help with?

4-Butylresorcinol is effective for: Brightening & dark spots — found in 2 products in the BangkokFillers database.

Which products contain 4-Butylresorcinol?

There are 2 products in the BangkokFillers database containing 4-Butylresorcinol, including NIVEA Men Acne Oil Clear Mud Foam 100g, CLEAR NOSE Dark Spot Bright Solution Serum Concentrate 28g.