Lactic Acid Toner for Combination Skin. Lactic acid is an alpha hydroxy acid ( AHA) that is used in a wide range of skin care products. For those with combination skin, it serves a dual purpose. AHA has excellent exfoliating properties that aid in removing dead skin cells and promoting the growth of new, healthy skin, which can help reduce Active Ingredients to Look for in Serums for Combination Skin. Combination skin can benefit from a wide number of active ingredients that promote skin's health. Vitamin C. Vitamin C can treat a long list of skin concerns and is safe for all skin types, making it one of the best overall ingredients to have in a skin care product. The best The Ordinary serum for combination skin, Niacinamide also helps regulate oil production to prevent shininess throughout the day. The Zinc in the formula helps further mattify the skin. If your complexion leans to the oilier side of combination, this is one of the best The Ordinary products for you to buy! Glycolic, salicylic, and TCA are three basic at-home chemical peels. Glycolic peels are mild and ideal for treating acne, hyperpigmentation, and sun damage. Salicylic peels are ideal for people with oily, acne-prone skin. Finally, TCA peels penetrate the deepest and are effective at treating scarring or pigmentation issues. First Aid Beauty .25% Pure Concentrate Retinol Serum. Dr. Engelman recommends that beginners start out with a retinol that has a lower percentage/dosage of the ingredient, and Dr. Gohara is a Looking for the best skin care products for acne and the best acne treatment for teens? Check our guide to teenage skincare. , and visible whiteheads by 36% over 84 days making the serum perfect for oily, combination and blemish prone skin. The Ordinary Products For Teenage Skin . The Ordinary's range is anything but ordinary! There's nothing wrong with using a hyaluronic acid moisturizer, but the best hyaluronic acid formulas come in the form of a concentrated, results-driven serum. Carrot & Stick's The Repair Serum mentioned earlier also contains hyaluronic acid. PROBIOTICS: The skin's microbiome is the ecosystem of billions of microbes living on the skin's surface. Today's Top Deals. Drunk Elephant Protini Powerpeptide Resurfacing Serum is 51% off at Amazon. Derma E Advanced Peptide & Collagen Serum is 54% off at Amazon. Melé Smooth Pore Minimizing Serum is The Extras: "To supplement my at-home skin-care routine, I also like to do in-office chemical peels to help improve my skin tone, texture, and to stimulate collagen," says Dr. Garshick. She also Our Top Picks: Best Overall: SkinCeuticals C E Ferulic, $182. Best Retinol: La Roche-Posay Retinol B3 Pure Retinol Serum, $45. Best Luxury: Chanel N°1 De Chanel Revitalizing Serum, $220. Best bm8Qop.