[CYS]

added BHT antioxidant into formulation too . But still turn yellow . Initially it will appeared yellow layer on upper part gradually will turn yellow for whole product . The active ingredient used is potassium thioglycolate .

[CYS]

pH range is 10-12 for finished product . added BHT antioxidant into formulation too . But still turn yellow . Initially it will appeared yellow layer on uppper part gradually will turn yellow for whole product .