Sophora Japonica Root Extract

TL;DR. This ingredient is used mainly as a skin-conditioning botanical extract, often included for antioxidant and calming support in leave-on formulas. It can also contribute subtle astringency from its plant polyphenol content.

What does Sophora Japonica Root Extract do in a cosmetic formula?

This ingredient is used mainly as a skin-conditioning botanical extract, often included for antioxidant and calming support in leave-on formulas. It can also contribute subtle astringency from its plant polyphenol content.

Is Sophora Japonica Root Extract clean?

From a clean-beauty perspective, it is generally viewed as acceptable and not a common restricted-list concern. As with many botanical extracts, the main watchpoints are batch variability, residual extraction solvents, and rare sensitivity in reactive skin.

Is Sophora Japonica Root Extract sustainable?

This material is plant-derived and its extractives are expected to be biodegradable. Its sustainability profile depends on responsible cultivation or harvesting, traceable supply, and lower-impact extraction solvents such as water, ethanol, or glycerin.

Is Sophora Japonica Root Extract COSMOS-approved?

It can be permitted under COSMOS-natural and COSMOS-organic when the plant source, processing aids, and extraction solvents meet the standard. It fits Green Chemistry best when made from renewable plant material using simple aqueous or alcohol-based extraction and minimal purification steps.

How does Sophora Japonica Root Extract work chemically?

This is a complex botanical mixture that may contain flavonoids, polyphenols, and other polar plant metabolites rather than a single defined molecule. It is typically used at low levels as supplied, often around 0.1% to 5%, and is best protected from heat, light, and oxidation-related color shift in finished formulas.

Last updated 2026-05-13