How we scored it
Carotenoid pigment isolated directly from brown algae by extraction, no synthesis → 1.0
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Fucoxanthin is extracted and purified from brown algae such as Sargassum. It is used as isolated from its natural algal source, with no chemical synthesis.
In plain English
An antioxidant pigment extracted from brown seaweed, used to help condition and protect skin.
CosIng definition: Fucoxanthin is a carotenoid isolated from the alga, Sargassum siliquastrum
Structure
[(1S,3R)-3-hydroxy-4-[(3E,5E,7E,9E,11E,13E,15E)-18-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyl-17-oxooctadeca-1,3,5,7,9,11,13,15-octaenylidene]-3,5,5-trimethylcyclohexyl] acetate
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2Fucoxanthin. PubChem CID 5281239. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3FUCOXANTHIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4FUCOXANTHIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=FUCOXANTHIN