What it is
This ingredient is derived from the rhizome of Cnidium officinale, a plant long used in East Asian herbal traditions. The rhizome supplies phthalides, ferulic acid and other constituents, and the extract is included as a supporting botanical with conditioning and antioxidant character. In sunscreens it appears at low levels and is not a UV filter.
Safety & warnings
This botanical is generally well tolerated in cosmetic use. As with many herbal extracts, individuals with known plant sensitivities should watch for irritation.
Origin & sourcing
Natural; obtained from the rhizome (underground stem) of Cnidium officinale, typically by aqueous or hydroalcoholic extraction.
Questions everyone asks
What is Cnidium officinale?
It is a plant whose rhizome is traditionally used in East Asian herbalism; the cosmetic extract is added for conditioning and antioxidant character.
Is it a sunscreen active?
No. It is a supporting botanical and does not provide measured UV protection.