Evidence supporting the use of: Birch
For the health condition: Dandruff

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Birch (Betula species) has a long-standing use in traditional European and Russian folk medicine for treating various skin and scalp conditions, including dandruff. The leaves, bark, and sap of birch contain compounds such as betulin, betulinic acid, and salicylates, which are believed to have mild anti-inflammatory, antimicrobial, and keratolytic properties. In folk remedies, birch extracts were often incorporated into hair rinses and washes to help cleanse the scalp, reduce flaking, and soothe irritation associated with dandruff.

However, direct scientific evidence specifically validating birch's efficacy against dandruff is limited. While some laboratory studies indicate that birch extracts possess antimicrobial and anti-inflammatory properties, there are few, if any, robust clinical trials testing birch’s effectiveness for dandruff in humans. Most modern anti-dandruff formulations rely on active ingredients such as zinc pyrithione, selenium sulfide, ketoconazole, or coal tar, which have more substantial evidence bases.

In summary, birch is used for dandruff primarily due to traditional practices rather than strong scientific support. Its use is supported by historical and anecdotal evidence rather than high-quality clinical research. The overall strength of evidence is weak, warranting a rating of 2 out of 5.

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