"Glycolic acid is a must for the combo gal's nighttime skincare routine. It chemically nixes of the cell buildup that leads to clogged pores and blemishes, and it's also an anti-aging mainstay. At my facialist's recommendation, vita luminance I like to use Renée Rouleau’s AHA Smoothing Serum 10% ($42) three nights in a row each week. The relatively low 10% concentration is what I'm most comfortable using on my skin, but you can read more here about what percentage might be right for yours."
"A lightweight, hydrating, no-frills moisturizer like Kiehl's Ultra Facial Cream ($48) is the way to go for combination skin. Heavy oils and night creams will clog your pores, but going moisturizer-free is definitely not the answer.