From the geniuses who brought you C E Ferulic — which is often regarded as the holy grail of vitamin C serums by dermatologists and beauty editors alike — comes its latest brightening treatment for acne-prone skin: SkinCeuticals Silymarin CF ($166). It blends the relatively new ingredient silymarin (a milk thistle extract) with the tried-and-true salicylic acid, l-ascorbic acid, and ferulic to keep breakouts in check while simultaneously fading hyperpigmentation and improving skin texture.