How we scored it
Mineral consisting chiefly of silicon dioxide (quartz); mineral = 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
Mined natural quartz mineral, the coloured variety known as citrine. No synthetic alternative is used under this name.
In plain English
A yellow quartz mineral, mined and ground for use in cosmetics. Provides mild skin conditioning, often in scrubs. Comes straight from the earth.
CosIng definition: Citrine is the mineral that consists chiefly of silicon dioxide
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.
- 2CITRINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3CITRINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CITRINE