Hair basics
Why women's hair thins at the part and crown — and what your follicles are telling you
The widening part, explained: how the hair growth cycle works, why hormones, postpartum and menopause shift it, and the red flags that deserve a dermatologist instead of a serum.
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7 scalp habits with real evidence for thicker-looking hair
Gentle handling, scalp care, nutrition, stress, heat — ranked honestly by the strength of the science, plus where leave-in serums like Crowned genuinely fit (and where they don't).
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Crowned Review 2026: does the GHK-Cu hair serum actually work?
Our full editorial review: ingredient-by-ingredient evidence, real bundle pricing, the checkout terms, the 90-day guarantee and our honest 4.6/5 verdict.
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