Chamaecyparis Obtusa Leaf Extract
Reviewed by Daisy · Last updated 14 Aug 2026
Also known as: Hinoki, Hinoki cypress
Comes from the Japanese cypress tree
EWG Safety Score
What Is Chamaecyparis Obtusa Leaf Extract?
Chamaecyparis obtusa leaf extract comes from a tree also called Japanese cypress, Hinoki, or Hinoki cypress. Its wood is considered a high-quality timber and is used in many Japanese ornamental structures.\n\nStudies show that the extract from its leaves has antioxidant properties (this is true of most plant-derived ingredients). Topical application helps skin fight off oxidative stress that leads to most of the visible signs of aging.\n\nAdditional research demonstrates that Chamaecyparis obtusa leaf extract also exerts anti-inflammatory benefits on skin. There are even some studies suggesting it can preserve collagen by inhibiting an enzyme that contributes to the degradation of collagen over time (a result of intrinsic aging).\n\nUse levels of Chamaecyparis obtusa leaf in skin care typically range from 0.1–5%, with the greater amount pertaining to water-based blends that contain several plant extracts targeted to various concerns such as acne and dandruff.
Clinical Evidence & References
Published Research
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Pharmaceutics, March 2024, pages 1-14 Pharmaceutics, 2024
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Journal of the Korean Applied Science and Technology, March 2023, pages 543-554 Journal of the Korean Applied Science and Technology, 2023
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Medicina, April 2023, pages 1-15 Medicina, 2023
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Journal of Ethnopharmacology, January 2022, pages 1–8 Journal of Ethnopharmacology, 2022
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Applied Chemistry for Engineering, January 2012, pages 93-99 Applied Chemistry for Engineering, 2012
From the Clinic
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Take the skin quizOther forms of Chamaecyparis Obtusa Leaf Extract
These appear on ingredients lists under different names but are the same substance. Chamaecyparis Obtusa Leaf Extract is the common form.
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