How we scored it
Four-carbon sugar alcohol; scored 1.0 alongside other sugars/sugar alcohols.
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
Made by reducing plant- or microbially-derived four-carbon sugars. Comparable in origin to other commercial sugar alcohols such as erythritol.
In plain English
A simple sugar alcohol that helps skin attract and retain moisture. Related to plant and microbial sugars, from which it is derived by reduction.
Structure
(2R,3R)-butane-1,2,3,4-tetrol
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.
- 2Threitol. PubChem CID 169019. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3THREITOL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4THREITOL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=THREITOL