How we scored it
Algal extract → 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
Produced by extracting the brown seaweed Sargassum thunbergii with water or a solvent. No synthetic alternative is used.
In plain English
An extract of Sargassum thunbergii, a brown seaweed, used for its antimicrobial properties. It is made by extracting the seaweed directly, so it is entirely marine-plant derived.
CosIng definition: Sargassum Thunbergii Extract is the extract of the alga, Sargassum thunbergii, Sargassaceae.
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.
- 2SARGASSUM THUNBERGII EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SARGASSUM THUNBERGII EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SARGASSUM%20THUNBERGII%20EXTRACT