Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Oriental arborvitae (Platycladus orientalis, also known as Thuja orientalis) has a long history of use in traditional Chinese medicine (TCM). In TCM, its seeds (often referred to as Bai Zi Ren) and leaves are used for various purposes, including wound healing. The rationale behind its application for scars and scar tissue is rooted in its purported ability to "nourish the heart and calm the spirit," as well as its use in topical preparations for skin ailments. However, these uses are primarily based on traditional beliefs and anecdotal evidence rather than modern scientific research.

There are few, if any, high-quality clinical studies or rigorous scientific data supporting the efficacy of oriental arborvitae for treating or reducing scar tissue. The available literature primarily documents its traditional uses and some in vitro studies indicating anti-inflammatory or antimicrobial properties of its extracts. These actions could hypothetically benefit wound healing and potentially influence scar formation, but direct evidence for scar treatment is lacking. Therefore, while the use of oriental arborvitae for scars is justified by traditional practice, the strength of evidence supporting this application is weak, and it should not be considered a scientifically validated or first-line treatment for scar management.

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