Ingredient

reynoutria japonica root extract

Low risk

FunctionBotanical

What it is — Reynoutria Japonica Root Extract (INCI of the same name), from Japanese knotweed, is a plant root extract often standardised for its naturally occurring resveratrol content. It is used as an antioxidant botanical.

What it does — It is included to help defend against everyday oxidative stress and to support a calm, comfortable surface.

Typical use — It appears in antioxidant serums, essences, creams and masks, usually as a supporting botanical and sometimes as a natural antioxidant that also helps protect a formula.

Who it suits / good to know — Generally suitable for most skin types, and often chosen for antioxidant-forward routines. As with any botanical, composition can vary with source and processing.

Safety — DHALIORA grades it low risk: a botanical extract that is generally well tolerated. This reflects the ingredient in general and is not medical advice; patch-test first if you have plant sensitivities.

Why we grade it Low: Low risk - botanical extract/water, generally well tolerated.
Cross-reference

Found in these DHALIORA products

Found in 0 DHALIORA products

Not currently in any DHALIORA product.

How grades are set — Risk reflects our own reading of publicly available safety data, an EWG-style reading shown at the worst-case grade we've assigned this ingredient across products. It isn't a third party's proprietary score, and it isn't medical advice. Always read the packaging and patch-test where indicated.
← Back to the ingredient glossary