Lactitol ●
TL;DR. This ingredient functions mainly as a humectant and skin-conditioning agent, helping formulas bind water and improve a softer skin feel. It can also support a mild prebiotic positioning in some skin-care products.
What does Lactitol do in a cosmetic formula?
This ingredient functions mainly as a humectant and skin-conditioning agent, helping formulas bind water and improve a softer skin feel. It can also support a mild prebiotic positioning in some skin-care products.
Is Lactitol clean?
From a clean-beauty perspective, it is generally well tolerated, with low sensitization potential and no major restricted-list friction. The main shopper caveat is sourcing, since it is commonly derived from dairy sugar and may not fit vegan preferences.
Is Lactitol sustainable?
This material is typically made from renewable dairy byproducts, which can be a useful side stream but is still tied to animal agriculture. It is water soluble and expected to be readily biodegradable, with low persistence concerns in rinse-off use.
Is Lactitol COSMOS-approved?
It is generally compatible with COSMOS-natural and COSMOS-organic frameworks when made from permitted renewable feedstocks and approved processing methods. Its profile fits Green Chemistry well because it uses a renewable carbohydrate source, has high biodegradability, and does not require persistent solvents in finished formulations.
How does Lactitol work chemically?
The molecule is a hydrogenated disaccharide polyol with multiple hydroxyl groups, which explains its water-binding behavior and high water solubility. It is typically used at low single-digit percentages, is nonreducing, and is relatively stable across normal cosmetic pH ranges.
Last updated 2026-05-13