Synopsis

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

Sweetgum (Liquidambar styraciflua) has a long history of traditional use among Indigenous peoples and in folk medicine, particularly in North America. The tree’s resin, often referred to as “storax” or “sweetgum balsam,” has been used topically to alleviate itching and minor skin irritations. Early American settlers and Native American tribes applied the resin directly to the skin for its soothing and protective properties. The rationale for its use appears to be due to its mild antiseptic and anti-inflammatory qualities, as well as its ability to form a protective barrier over the skin, which may help reduce irritation and itching.

Scientifically, there is limited modern research supporting the efficacy of sweetgum resin specifically for itching. Some studies have identified compounds within sweetgum, such as cinnamic acid, that exhibit mild antimicrobial and anti-inflammatory effects, but direct clinical evidence for anti-pruritic (anti-itch) activity is minimal. Most references to sweetgum for itching are found in ethnobotanical texts and historical accounts rather than modern pharmacological literature.

In summary, the use of sweetgum for treating itching is primarily rooted in tradition, with anecdotal and historical evidence but minimal scientific validation. The traditional rating reflects the presence of long-standing folk use, but the lack of robust clinical research limits the strength of evidence to support its effectiveness for this condition.

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