First 1,200! Receive a free SkinCeuticals Silymarin CF Sample in the mail. Just fill out this form. June is Acne Awareness Month. To help those with blemish-prone skin get their complexion under control and their glow on this summer, Skincare.com has teamed up with SkinCeuticals to give away 1,200 samples of the brand’s newest serum, Silymarin CF. It contains 15% l-ascorbic acid (vitamin C) to help improve skin texture and brighten skin tone and ferulic acid to neutralize free radicals, but that’s not all. Created with blemish-prone, oily skin types in mind, it also features silymarin, or milk thistle extract, to prevent oil oxidation and salicylic acid to help minimize pores and target breakouts.