What it is
Corallina Officinalis Extract is derived from Corallina officinalis, a calcified red seaweed that grows in coastal intertidal zones. The alga is naturally rich in minerals such as calcium and magnesium, and the extract is used in cosmetics for skin-conditioning and soothing-associated effects. It is commonly found as a marine botanical in Korean sunscreens and moisturizers.
Safety & warnings
Corallina officinalis extract is generally well tolerated in cosmetic use, with no widely recognized allergenicity or comedogenicity concerns at typical levels; as with any marine botanical, sensitive users may patch test.
Origin & sourcing
Natural; a marine extract prepared from the red coralline alga Corallina officinalis, harvested from rocky shorelines and tide pools.
Questions everyone asks
What is coralline algae extract?
It is an extract of the calcified red seaweed Corallina officinalis, used as a mineral-rich, skin-conditioning marine botanical.
What does it do in a sunscreen?
It serves a supporting skin-conditioning and soothing-associated role, not a UV-filtering one.