Hydroquinone vs. Thiamidol what does the evidence show?, Hydroquinone, Long standing gold standard for hyperpigmentation, Potent tyrosinase inhibitor, Typically used short term under What Does Thiamidol Do in Skin Care Products? Skin Type Solutions What Does Thiamidol Do in Skin Care Products? Skin Type Solutions Best Ingredients for Melasma Do You Need All These Ingredients for Melasma? No. You don't need to use everything at once. Using too many strong actives can irritate the skin and worsen What Does Thiamidol Do in Skin Care Products? Skin Type Solutions Glutathione vs Niacinamide: Which Is Best for Glowing Skin?