THIAMINE BIS-LAURYLSULFATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

THIAMINE BIS-LAURYLSULFATE

Safety grade: A

This is a synthetic compound made by combining vitamin B1 (thiamine) with a cleansing agent derived from lauric acid. It helps keep cosmetic products fresh and prevents the growth of bacteria and mold.

This ingredient works as a preservative to extend the shelf life of cosmetic products and prevent microbial contamination that could spoil the formula or cause skin irritation.

Graded using: COSING.

Last verified: May 26, 2026