Thorn/Houttuynia Cordata Extract/Phellodendron

TL;DR. This ingredient is a skin-conditioning botanical extract blend used to support soothing, antioxidant, and balancing claims in leave-on and rinse-off formulas. It is typically included as a minor active rather than as a structural emulsifier, solvent, or preservative.

What does Thorn/Houttuynia Cordata Extract/Phellodendron do in a cosmetic formula?

This ingredient is a skin-conditioning botanical extract blend used to support soothing, antioxidant, and balancing claims in leave-on and rinse-off formulas. It is typically included as a minor active rather than as a structural emulsifier, solvent, or preservative.

Is Thorn/Houttuynia Cordata Extract/Phellodendron clean?

From a clean-beauty perspective, it is generally acceptable, with no broad restricted-list issue for the botanical material itself. The main watchpoints are plant-extract variability, potential sensitivity in reactive skin, and the solvent or preservative system used in the supplied extract.

Is Thorn/Houttuynia Cordata Extract/Phellodendron sustainable?

This material is plant-derived and its soluble components are expected to be readily biodegradable. Sustainability depends on cultivation or wild-harvest practices, traceable sourcing for woody or bark-derived inputs, and whether extraction uses lower-impact solvents such as water, glycerin, or ethanol.

Is Thorn/Houttuynia Cordata Extract/Phellodendron COSMOS-approved?

It can align with COSMOS-natural and COSMOS-organic when the plant inputs, extraction method, solvents, and preservatives meet the standard, with organic status depending on certified organic sourcing. Its Green Chemistry profile is strongest when made by simple aqueous, glycerin, or ethanol extraction and weaker if nonapproved petrochemical solvents or less biodegradable auxiliaries are used.

How does Thorn/Houttuynia Cordata Extract/Phellodendron work chemically?

This ingredient is a complex botanical mixture containing polar phytochemicals such as polyphenols, flavonoids, and alkaloid-type constituents, so composition varies by plant part, harvest, and extraction solvent. Supplier use levels for botanical extracts often fall around 0.1% to 5%, and these materials are usually best protected from excess heat, strong light, and extreme pH to limit color, odor, and phenolic oxidation shifts.

Last updated 2026-05-15