FULL SUPPLEMENT: Scalp Health & the Role of the Scalp Barrier in Dandruff and Seborrheic Dermatitis

February 2025 | Volume 24 | Issue 2 | 32710 | Copyright © February 2025


Published online January 31, 2025

ET AL

Abstract
Research has shown that scalp and hair health are connected, but the link is not yet fully understood or characterized. Hair growth begins within the hair follicle, about 4 mm deep in the skin.1 The cells proliferate in the bulb of the follicle and produce a nascent hair fiber that continues to grow to the scalp surface.1
In this issue:

Insights on the Impact of Scalp Barrier Condition on Hair Health

Scalp health is essential for healthy hair growth and may be affected by intrinsic or extrinsic factors. Reactive oxygens species are key contributors to aging and can have a detrimental impact on scalp health. Oxidative stress on the scalp is thought to be a factor in developing dandruff. We present consensus statements on scalp barrier health and its effects on hair through a systematic literature search and expert panel discussion. 

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Etiology, Treatment Challenges, and the Role of Scalp and Haircare in Managing Dandruff

Dandruff and seborrheic dermatitis are associated with a disrupted scalp barrier that contributes to irritation, pruritus, and flaking of the scalp. The flaking and itch associated with dandruff can significantly impact an individual's self-esteem and quality of life. While the exact pathogenesis of dandruff is still not completely understood, scalp barrier health and its microbiome are thought to play significant roles in disease propagation. 

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