How we scored it
Whole dried, ground seaweed biomass; natural powder = 1.0 by this site's convention.
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
Made by drying and grinding whole Porphyra umbilicalis (nori) seaweed. No significant alternative route.
In plain English
A powder made from dried, ground nori seaweed, used to add texture, thicken formulas, and provide gentle exfoliation in skincare products.
CosIng definition: Porphyra Umbilicalis Powder is a powder obtained from the dried Alga, Porphyra umbilicalis, Bangiaceae
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.
- 2PORPHYRA UMBILICALIS POWDER. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PORPHYRA UMBILICALIS POWDER. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PORPHYRA%20UMBILICALIS%20POWDER