How we scored it
Enzyme (protein) produced by fermentation of Kluyveromyces lactis; amino acids are fermentation-derived, so the whole protein is natural.
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
Lactase is manufactured by fermenting the yeast Kluyveromyces lactis. No petrochemical synthesis route is used for this enzyme protein.
In plain English
An enzyme made by fermenting a yeast-like microorganism (Kluyveromyces lactis). Used as a skin-conditioning ingredient.
CosIng definition: Lactase is the enzyme produced through fermentation by Kluyveromyces lactis.
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.
- 2LACTASE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3LACTASE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=LACTASE