What it is
This ingredient is obtained from the leaves of kale, Brassica oleracea var. acephala, a leafy cruciferous vegetable. Kale leaves contain vitamins, carotenoids, and polyphenols, components associated with antioxidant activity in cosmetic use. It is included in moisturizers and sun care products as a botanical, skin-conditioning extract.
Safety & warnings
Kale leaf extract is generally well tolerated in topical use and is not regarded as notably comedogenic. People with sensitivities to cruciferous plants should be aware of the botanical source.
Origin & sourcing
Natural, plant-derived. It is produced by extracting the leaves of cultivated kale, typically via aqueous or hydroglycolic methods.
Questions everyone asks
Why is kale extract used in skincare?
It is used as a botanical, antioxidant-associated, skin-conditioning ingredient, drawing on kale's vitamin and polyphenol content.
Does kale extract provide sun protection?
No; it is a conditioning botanical and does not function as a UV filter.