The bark of the silk tree (Albizia julibrissin) is primarily used in traditional medicine for its calming and mood-lifting effects. Known as the “collective happiness bark” in Traditional Chinese Medicine (TCM), it is believed to help with emotional and nervous system imbalances.
However, the safety and effectiveness of silk tree bark are not fully supported by robust scientific evidence, and the potential benefits are primarily based on traditional use and limited animal studies.
Benefits for emotional well-being
- Anxiety and stress: Silk tree bark is a traditional remedy for anxiety and stress. Compounds in the bark may help regulate neurotransmitters like serotonin, which plays a key role in mood and anxiety management.
- Depression and grief: In TCM, the bark is used to lift the spirit and alleviate feelings of sadness and grief. It is used to “calm the Shen,” or spirit, in cases of emotional turmoil.
- Insomnia: By calming the mind and reducing anxiety, the bark can promote relaxation and support more restful sleep, especially in cases of insomnia caused by stress.
Other traditional and researched benefits
- Anti-inflammatory and pain relief: The bark contains anti-inflammatory compounds and has been traditionally used to relieve pain and swelling from injuries, such as fractures, boils, and sprains. In some practices, it is used topically for its soothing effects.
- Antioxidant properties: Rich in antioxidants like flavonoids, the bark helps protect cells from damage caused by oxidative stress. This antioxidant activity is also harnessed in some skincare products to combat signs of aging caused by environmental factors.
- Skin and wound healing: The bark’s tannins and antioxidants make it a traditional remedy for wounds, burns, and skin infections. It may help promote tissue regeneration and act as a styptic (a substance that stops bleeding).
- Support for the nervous system: Some research suggests the bark has neuroprotective properties, potentially protecting nerve cells from damage and supporting cognitive functions like memory.

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