What it is
Dunaliella Salina Extract is derived from a halophilic green microalga known for accumulating high levels of carotenoids such as beta-carotene. In cosmetics it is used as a skin-conditioning agent and a source of antioxidant compounds. It appears in mineral and tinted sunscreens, where the carotenoid content can also contribute color.
Safety & warnings
Microalgae extracts of this type are generally well tolerated in topical use with low irritation potential. As with any botanical or marine-derived extract, sensitive individuals may prefer to patch test.
Origin & sourcing
Natural. It is extracted from Dunaliella salina, a salt-tolerant green microalgae.
Questions everyone asks
What is Dunaliella Salina Extract?
It is an extract of a salt-loving green microalga that is rich in carotenoids and used as a conditioning and antioxidant ingredient.
Why is it used in sunscreens?
It provides antioxidant carotenoids and skin-conditioning benefits, and its natural pigments can also lend color to tinted formulas.