Skinbetter AlphaRet Clearing Serum 1 fl oz 30 ml New in box! Leveraging our award-winning patented AlphaRet Technology, this serum is formulated with salicylic acid, a beta hydroxy acid (BHA), and additional pore-cleansing, hydrating, and soothing ingredients, to rejuvenate and clarify the appearance of oilier, blemish-prone skin. Improvement in the appearance of skin clarity, pores, skin surface shine, and overall tone and texture. Smoother, more even-looking complexion. Healthier-looking skin, with little-to-no dryness or flaking. AlphaRet is a patented technology that successfully combines a retinoid and an AHA for effective and tolerable skin rejuvenation.