We updated this article in August 2022 to add more information about each product and added two new shampoos from The Hair Lab by Strands and Aura, selected by the Good Housekeeping Institute Beauty Lab. Custom shampoos and personalized haircare are the name of the game if you're looking for precise haircare, with brands promising the most curated formulas that consider your specific hair type to achieve your personal hair goals. These customizable haircare brands usually require users to complete a short online questionnaire, then evaluate results to determine the best formula and ingredients for each person's unique hair type (some even take it a step further and take hair samples for the most accurate results). For many options, you can even choose the fragrance (if you want any!). Hold onto your hair, things are about to get scientific. Schwarzkopf Professional, one of the world’s leading hair brands, dove head first into customizable hair care in a whole new way. Touted as “the first end-to-end ecosystem of connected devices to provide hyper-personalized products and services,” Schwarzkopf Professional’s new SalonLab is reinventing both at-home hair care and the salon experience as a whole. Not all custom shampoos are created equal," notes Mendez. "If you are unsure about how to answer a question about your hair, you should consult with your stylist." He also recommends taking into account your lifestyle and how often you wash your hair.