Synopsis

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

Tannins are polyphenolic compounds found in various plants and have a long history of traditional use for treating skin conditions, including itching (pruritus). The traditional justification stems from their astringent properties, which are believed to help "tighten" skin and reduce irritation. Historically, tannin-rich plant extracts (such as witch hazel, oak bark, or black tea) have been applied topically to manage minor skin irritations, insect bites, and rashes, which are often accompanied by itching.

From a scientific perspective, the evidence supporting the efficacy of tannins for itching is limited but plausible. Tannins can precipitate proteins on the skin's surface, forming a protective layer that may reduce irritation and inflammation. Some small studies and reviews note that tannin-containing preparations can provide symptomatic relief for mild dermatitis and pruritic conditions, most likely through anti-inflammatory and astringent effects. However, robust clinical trials are lacking, and most recommendations are extrapolated from traditional use or small, non-controlled studies. The evidence is thus rated as low to moderate (2/5), primarily rooted in traditional practice rather than strong clinical validation.

More about Tannin
More about Itching

Other ingredients used for Itching

Other health conditions supported by Tannin

Products containing Tannin