$24.00 - $50.00. Kérastase Elixir Ultime Oil Serum. Kerastase vs Olaplex: Which is More Effective for Hair? Kerastase … Kerastase will help repair damaged hair as well as add density to hair. L’Oreal, on the other hand, moisturizes, softens, and nourishes the hair. Quick Look. Like a full Olaplex treatment, this is something you’ll have to go to a salon for. But, I promise you that it’s worth it. Olaplex No. These fortifying and expert-recommended treatments from brands like Olaplex, Mielle, and more are some of the best hair masks available for dry, damaged hair. 240. Kerastase Fusio-Dose. Living Proof Perfect hair Day (PhD) Dry … $28.00. 408. Stylists first take extremely in-depth photos of your hair … Exclusive. 0 Intensive Bond Building Hair Treatment. Olaplex will work with just the first treatment, and prep your hair for more color and or keratin down the road. Kerastase vs L’Oreal: Comparison. Quick Look. You can also visit www.olaplex.com to use the salon locator to find a stylist who will use the Olaplex …