Here’s the rundown on scalp serums from a former cosmetic chemist
    Research/Science 2/5/2026

    At a glance
    In this educational post, the primary subjects mentioned are
    💧 Nécessaire’s The Scalp Serum (topical) 5% Capixyl 6 months
    💧 Minoxidil (topical)
    💊 Finasteride (oral)
    💧 Caffeine (topical)
    💧 Saw Palmetto (topical)
    the tone is 😐 neutral with noticeable difference results.
    Most scalp serums are ineffective for hair loss, with Nécessaire’s “The Scalp Serum” being the only one showing noticeable results, though it's not worth the cost. For androgenetic alopecia, clinical treatments like minoxidil and finasteride are necessary, while caffeine and capixyl may offer some benefits.
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