Amazon Prime Day 2019: The 11 Best Luxury Beauty Deals and Products to Shop
All products featured on Glamour are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. Olaplex Hair Perfector No. 3 Repairing Treatment If you put color in your hair—and especially if you've just done a dramatic lift, e.g., to platinum blond—you're going to want Olaplex's third step, a deeply hydrating and repairing treatment done before you shampoo. It keeps color more vibrant and hair healthier for way longer than if you're just conditioning, and if you spent all that money on a dye job, it's worth the $20 to give it some longevity. Stila Stay All Day Waterproof Liquid Eye Liner Stay all day? More like slay all day. We tried it, we loved it, and now it's on sale. With around 4,000 five-star reviews, this much loved liquid eyeliner goes on and stays on. Black isn't the only color on sale either—play around with emerald