Ive had four different types of keratin treatment in WS and diwntown. I’ve been to Shanti, Belli Capelli, a 1person salon across town, and Ola. The cheapest was $300. While Ola is more expensive, they are the only one that i have found in WS that uses Capola products and the price includes a bottle of shampoo and conditioner. For my hair, the Capola product has lasted the longest, so i figure the extra month i get is worth the price difference.