Chemistry of your hair: The hair strand – the cuticle (updated 2023)

The cuticle is the part of the hair that probably concerns us the most on a day to day basis. When our hair emerges from our scalp, it has about 6 to 10 layers of cuticle about 50 micrometres on a side and about 0.5 micrometres thick. The cuticle is attached to the cortex and…

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