Guides

Understanding your scalp

Scalp care is the part of hair care most people skip. These are the things worth knowing before you buy anything.

• Choosing a routine

  How to match a shampoo to your scalp type

  Most people buy shampoo for their hair. Reading your scalp instead — oily, dry, or sensitive — is a faster route to the right bottle. How to tell which you are.

• Scalp care basics

  What is a scalp ampoule?

  A scalp ampoule is a concentrated leave-in treatment you apply to the skin, not the hair. What it is, how it differs from a hair oil or tonic, and how it actually feels to use.