What it is
Cyperus Rotundus Root Extract is obtained from the tubers and roots of nut grass, a sedge widely found across warm regions and long used in traditional herbal practices. It is incorporated into skincare and sunscreen products as a plant-derived skin-conditioning botanical. It is commonly seen in formulations from Korean and other Asian brands, typically at low concentrations.
Safety & warnings
As a botanical extract it is generally well tolerated; sensitive or allergy-prone individuals may occasionally react to residual plant constituents.
Origin & sourcing
Natural; a botanical extract prepared from the roots and tubers of Cyperus rotundus.
Questions everyone asks
What is nut grass?
Cyperus rotundus, commonly called nut grass or nutgrass, is a sedge whose roots and tubers are used to make this extract; it has a long history in traditional herbal use.
What role does it play in a formula?
It serves as a plant-derived skin-conditioning botanical and does not provide UV protection.