ISOBUTYLAMIDO THIAZOLYL RESORCINOL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ISOBUTYLAMIDO THIAZOLYL RESORCINOL

Safety grade: A

This is a lab-created chemical compound designed to lighten and even out skin tone. It works similarly to other skin-brightening ingredients by reducing the production of melanin, the pigment that gives skin its color.

This ingredient is used in skincare products to reduce the appearance of dark spots, hyperpigmentation, and uneven skin tone by inhibiting melanin production.

Graded using: COSING.

Last verified: May 26, 2026