GLOSSARY  : Hair loss

Is there a term from the field of dermatology and cosmetics that you do not understand? Would you like to know what it means? View the full definition from the La Roche-Posay glossary.

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Hair bulb

The hair bulb or hair root is contained in the hair follicle underneath the scalp’s surface. This hair bulb is located precisely at the bottom end of the hair follicle, from which the hair grows. On average, hair grows approximately 1 cm per month from its roots.

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