How we scored it
Whole microalgal extract; default for algal material → 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 cultivating and extracting the red microalga Porphyridium cruentum, often grown in photobioreactors. No synthetic alternative exists.
In plain English
A skin-conditioning extract from a cultivated red microalga. Grown in controlled tanks and extracted for skincare use, valued for its polysaccharide content and conditioning effect.
CosIng definition: Porphyridium Cruentum Extract is an extract of the Alga, Porphyridium cruentum, Porphyridaceae
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.
- 2PORPHYRIDIUM CRUENTUM EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PORPHYRIDIUM CRUENTUM EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PORPHYRIDIUM%20CRUENTUM%20EXTRACT