Hair care guides
Short, practical reading on choosing and using the right formula.
How to choose among our 7 hair care categories
Learn how our 7 hair concern categories work. Pick the right shampoo, conditioner, or styling bottle for your current wash cycle.
Read the guide02How to read the hair type words on our bottles
Learn what hair type phrases like fine, limp or dry, damaged mean on our drugstore bottles, and find the right match for your strand needs.
Read the guide03Building your shampoo, conditioner, and leave-in routine
Learn how to pair matching shampoos and conditioners by concern, add a leave-in treatment, and manage different hair needs in one shared shower.
Read the guide04A guide to the wash cycle from wet to rinse
Learn how lather, mid-length conditioning, and cooler water work together across your routine, with clear guidance on when to use a leave-in instead.
Read the guide05Why Your Scalp Needs Its Own Step | Biotera
Learn why a scalp scrub works differently from shampoo, how often to use one, and how clearing surface buildup supports overall hair comfort.
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