How we scored it
Solvent extract of lettuce leaves: sugars, phenolics, pigments and other plant constituents, all n=1. Extraction solvents leave no mass in the extract. 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
Dominant route is extraction of Lactuca scariola var. sativa (garden lettuce) leaves with water, ethanol or glycols, followed by filtration. No synthetic or non-plant route exists for this extract.
In plain English
An extract of lettuce leaves, made by soaking them in a solvent and filtering the liquid. It is added to skincare products as a skin-conditioning ingredient and comes entirely from the plant.
CosIng definition: Lactuca Scariola Sativa Leaf Extract is an extract of the leaves of the Cabbage Lettuce, Lactuca scariola L. var. sativa, Compositae
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.
- 2LACTUCA SCARIOLA SATIVA LEAF EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3LACTUCA SCARIOLA SATIVA LEAF EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=LACTUCA%20SCARIOLA%20SATIVA%20LEAF%20EXTRACT