Synopsis

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

Leptospermum scoparium, commonly known as Manuka, has a long history of traditional use among the Māori people of New Zealand and other indigenous populations in Australia for treating a variety of skin ailments, including sunburn. The leaves and bark were often used in poultices or infusions applied topically to soothe burns, wounds, and inflammation. This traditional use is largely based on the plant’s reputed antimicrobial and anti-inflammatory properties.

While there is some modern research indicating that Manuka honey and essential oil derived from Leptospermum scoparium possess antibacterial and wound-healing effects, direct clinical evidence supporting its topical use specifically for sunburn is limited. Most of the scientific studies focus on its effectiveness in treating infected wounds or chronic ulcers, not acute photodamage or erythema caused by sun exposure. Some laboratory studies do suggest that Manuka oil may reduce inflammation and promote skin repair, which could theoretically help with sunburn, but these findings have not been robustly validated in human trials targeting sunburn treatment specifically.

Therefore, the use of Leptospermum scoparium for sunburn is primarily justified by tradition, with limited scientific evidence supporting its efficacy for this particular condition.

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