Scalp Barrier
The skin’s protective layer on the scalp, and its role in comfort.
Soumm
4 September 2026
Definition
The outermost layer of scalp skin, which retains moisture and keeps irritants out, functioning as it does elsewhere on the body.
It can be compromised by over-washing, harsh surfactants and scratching.
Supporting it
Gentler washing, less frequent stripping and careful handling generally do more than adding products.
See also: Dandruff.
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