What it is
Equisetum Arvense Extract is obtained from the field horsetail plant and contains silica, flavonoids, and other plant compounds. In cosmetics it is used as a conditioning and mild astringent botanical and is often included for its antioxidant plant content. It appears in Japanese and Korean sunscreens as a supporting botanical ingredient rather than a UV filter.
Safety & warnings
At the low concentrations used in cosmetics it is generally well tolerated; as with any botanical extract, occasional sensitivity is possible.
Origin & sourcing
Natural; extracted from the aerial parts of the horsetail plant, Equisetum arvense.
History
Horsetail has a long history of traditional use, and its silica-rich content is part of the rationale for its inclusion in modern cosmetics.
Questions everyone asks
What is horsetail extract known for?
It is a silica-containing botanical used as a conditioning and mild astringent ingredient, often included for its plant antioxidant content.
Does it protect against UV?
No. It is a supporting botanical and does not act as a UV filter.