How we scored it
Diatom extract; all fragments natural.
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
Extracted from cultivated Skeletonema costatum diatom biomass. No synthetic alternative route exists.
In plain English
A skin-conditioning ingredient extracted from Skeletonema costatum, a common marine diatom (microalga) found in ocean plankton.
CosIng definition: Skeletonema Costatum Extract is an extract of Skeletonema costatum
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.
- 2SKELETONEMA COSTATUM EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SKELETONEMA COSTATUM EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SKELETONEMA%20COSTATUM%20EXTRACT