My skin cream formulation contains:
2% kojic acid
10% glycollic aicd (70%)
0.1% vitamin E
Cetosteryl Alcohol, cm 1000, EGMS, Stearic acid, Carbomer940, Triethylamine,
Phenoxy ethanol, Di-sod. EDTA, Benzyl alcohol & silicon oil & Light Liquid Paraffin.
Cream color change started after 8 months form white to pale yellow.
After 18 months it started to become blackish.
Can anybody help?