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Botanicals for hair & scalp

Hair

Oils for growth, shine and breakage, and which of them have data behind them. Covers scalp, brows, lashes and beards too.

8 articles · 7 botanicals

Everything on hair

  1. Evidence Check

    • Hair

    Coconut

    Coconut oil and hair breakage: one of the few oils with real data

    Coconut oil is one of the few hair oils shown in lab work to penetrate the hair shaft and to reduce protein loss during washing. The support comes mainly from in‑vitro and small human observational work; large controlled clinical trials are still lacking.

    4 min read

  2. Evidence Check

    • Hair

    Castor oil

    Castor oil for brows and lashes: does it thicken anything?

    The castor-oil-for-lashes story is mostly anecdote and small preclinical work; systematic reviews find no strong human evidence for hair growth, while product formulations sometimes hide stronger, drug-like ingredients that do have effects and safety concerns.

    5 min read

  3. Evidence Check

    • Hair

    Castor oil

    Castor oil and your hairline: what the evidence actually says

    Lab models and computer docking raise plausible mechanisms for ricinoleic acid, and some animal work and reviews note cosmetic benefits; but well-designed human trials showing topical castor oil reliably produces new scalp hair are not available in the cited literature.

    4 min read