Currently, the top 5 best-selling foundations at Sephora are the brand new Fenty Beauty Pro Filt'r Soft Matte, the classic Makeup Forever Ultra HD Invisible Cover, the lightweight Too Faced Peach Perfect, the adaptable Cosmetics Your Skin But Better CC Cream, and the luxurious-but-worth-it Giorgio Armani Luminous Silk Foundation. Samples are available to order so you can test them at home before committing to a larger purchase. You can also get color-matched in-store.