What it is
Oak root extract is obtained from the roots of oak trees of the Quercus genus, which are rich in tannins and other polyphenols. In cosmetic formulas it is used as a skin-conditioning agent and can contribute mild astringent and antioxidant-style character. It is generally added at low concentrations in the water phase of leave-on products.
Safety & warnings
Tannin-rich plant extracts are usually well tolerated topically but can feel tightening on some skin and may cause sensitivity in predisposed individuals. The extract is water-based and not regarded as comedogenic. A patch test is advisable for reactive or easily irritated skin.
Origin & sourcing
Natural; produced by extracting the root material of oak (Quercus) species, typically into aqueous or glycol carriers.
Questions everyone asks
What does oak root extract do in a formula?
It serves as a skin-conditioning ingredient with mild astringent and antioxidant-style character, contributing to a botanical positioning.
Is oak root extract a fragrance?
No. It is a functional botanical extract, not a designated fragrance ingredient.