Evidence supporting the use of: Oryza
For the health condition: Skin Care (general)

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Synopsis

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

Oryza, referring to rice or rice-derived ingredients such as rice bran oil and rice water, has a longstanding history of use in traditional skin care, especially in East Asian cultures. Historical records from Japan and other parts of Asia describe the use of rice water for washing and soothing the skin, with claims of improved skin texture, brightness, and softness. The tradition is rooted in anecdotal reports and cultural practices, rather than rigorous scientific studies. Some active components in rice, such as ferulic acid, gamma-oryzanol, and various antioxidants, are believed to contribute to skin barrier protection and anti-inflammatory properties. However, while a few small-scale studies and laboratory experiments suggest that rice extracts may have moisturizing and antioxidant effects, the overall scientific evidence remains limited and does not robustly confirm the extensive traditional claims. Therefore, the use of oryza for general skin care is primarily justified by tradition, with a modest amount of preliminary scientific support, but not enough to warrant a high evidence rating.

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