How we scored it
Lecithin phospholipid isolated directly from egg yolk; no synthetic fragments introduced. 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
Purified from egg yolk lecithin by extraction and fractionation (soy lecithin is an alternative feedstock). No chemical synthesis is involved beyond physical or enzymatic purification.
In plain English
An emulsifier and skin-conditioning ingredient extracted from egg yolk (or sometimes soybeans). It's a natural fat-like molecule that helps oil and water mix together in creams and lotions.
CosIng definition: Lecithins, egg yolk
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.
- 2PHOSPHATIDYLCHOLINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PHOSPHATIDYLCHOLINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PHOSPHATIDYLCHOLINE