Peter Thomas Roth Potent Skin Lightening Gel Complex

This exciting formulation contains the proven, highly effective skin lightening complex of 2% hydroquinone, azelaic and kojic acids, bearberry and mulberry extracts, anti-oxidant vitamin C, the proven skin-penetrating capabilities of dimethyl isosorbide and the gentle cell turnover properties of beta hydroxy acid (salicylic acid).

Active ingredients: 
Hydroquinone U.S.P. 2%.
Ingredients: 
Purified Water, Dimethyl Isosorbide, Azelaic Acid, Kojic Acid, Bearberry Extract, Mulberry Extract,Ascorbic Acid,Salicylic Acid,Hydroxyethylcellulose,Disodium EDTA, SD-Alcohol,Sodium Bisulfite,Sodium Sulfite,Glycerin,Methylparaben,BHT, Diazolidinyl Urea.