Interest in hydroquinone is back but with its problematic ... It’s infused with 2% salicylic acid, zinc, triluronic acid, vitamin c, niacinamide and centella asiatica to both control oil ...

Rambhia. I’ve tried tretinoin combined with hyaluronic acid and niacinamide, but I’ve also seen formulations that include hydroquinone (a lightening agent typically used to treat melasma ...