Ingredient Spotlight

Silktree Bark / He Huan Pi

Traditionally supports: Emotional well-being, Balanced mood, Gentle stress support, and Restful sleep

How It's Used

Known as the "happiness bark", Silktree Bark is the classic Chinese Medicine grief herb. Its name, He Huan, means "collective happiness," and it's traditionally used to settle the spirit, ease emotional tension, and lift the mood without sedating; helping feelings that have felt stuck begin to move again.

In Western herbal traditions, Silktree Bark is valued for calm that doesn't cloud you. It's rich in naturally occurring compounds like julibroside saponins and flavonoids, which researchers have studied for their soothing, mood-supporting, and sleep-supporting qualities.

Fun fact: The silktree's feathery leaves gently fold closed at night, as if settling in to rest, partly how it earned its reputation as a calming, sleep-friendly plant. In China, it was traditionally planted near the home to soften tension and invite a little more harmony under one roof.

"He Huan Pi is the herb I reach for when someone is carrying grief or tension they haven't been able to set down. It helps emotions move again, gently."

- Lulu Ge, Founder

Anxiolytic-like effects of extracts from Albizzia julibrissin bark in the elevated plus-maze in rats

In animal studies, silktree bark extract eased anxiety-like behavior, supporting its traditional role as a calming herb.

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A comparison review of Hehuan flowers and Hehuan bark: traditional applications, phytochemistry and pharmacological effects

This review connected silktree bark's saponins and flavonoids to its long history of soothing the spirit and steadying low mood.

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Albizia julibrissin Ameliorates Memory Loss Induced by Insomnia

Silktree bark improved sleep quality and helped protect memory in sleep-deprived models, linking emotional calm with restful sleep.

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