Heterosigma Akashiwo Extract
INCI: HETEROSIGMA AKASHIWO EXTRACT
Reviewed by Emma · Last updated 18 Aug 2026
What Is Heterosigma Akashiwo Extract?
Heterosigma Akashiwo Extract (INCI: HETEROSIGMA AKASHIWO EXTRACT) is a cosmetic ingredient listed in the EU CosIng inventory. Heterosigma Akashiwo Cell Extract is the extract of the alga, Heterosigma akashiwo grown in culture, Heterosigmataceae.
Its declared cosmetic functions are antimicrobial, antioxidant, hair conditioning, humectant, skin conditioning and skin protecting.
Source: European Commission CosIng inventory.
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Licorice … Stem Extract
Plant extract with antioxidant properties to help protect skin from environmental stress
3-Ethylhexylglyceryl Ascorbate
A stabilised vitamin C derivative that works as an antioxidant and humectant
3-Glyceryl Ascorbate
A stabilised form of vitamin C that works as an antioxidant and hydrating agent
3-O Ethyl Ascorbic Acid
A more stable derivative of pure vitamin C Capable of helping fade dark spots
4-Butylresorcinol
A tyrosinase inhibitor that works to reduce melanin production at the source
4-Isobutylresorcinol
A synthetic antioxidant that helps protect skin from oxidative stress and environmental damage
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.