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.
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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.
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