Rhamnose ●
TL;DR. This ingredient is used mainly as a skin-conditioning humectant, helping bind water at the skin surface and support a smoother feel in leave-on formulas. It may also be included in anti-aging or barrier-support products for its role in skin-signal research, but its core formulation role is moisture support.
What does Rhamnose do in a cosmetic formula?
This ingredient is used mainly as a skin-conditioning humectant, helping bind water at the skin surface and support a smoother feel in leave-on formulas. It may also be included in anti-aging or barrier-support products for its role in skin-signal research, but its core formulation role is moisture support.
Is Rhamnose clean?
It is generally well tolerated, non-fragrant, and not a common clean-standard restricted-list ingredient. From a clean beauty perspective, the main check is whether the supplier uses a simple plant or fermentation-derived route with clear impurity controls.
Is Rhamnose sustainable?
This material is typically sourced from plant-derived carbohydrates or fermentation, so it can fit renewable sourcing models. As a small sugar-like molecule, it is expected to be readily biodegradable and not environmentally persistent.
Is Rhamnose COSMOS-approved?
It is generally compatible with COSMOS-natural and COSMOS-organic formulas when produced through approved extraction or fermentation processes and documented with compliant processing aids. Its Green Chemistry profile is favorable because it can come from renewable feedstocks, is water soluble, and has good biodegradability.
How does Rhamnose work chemically?
The molecule is a naturally occurring 6-deoxy monosaccharide with several hydroxyl groups, which explains its water binding and high water solubility. It is typically used at low single-digit percentages in leave-on skin care, is broadly compatible across normal cosmetic pH ranges, and like other reducing sugars can react with amine-containing materials under elevated heat or alkaline conditions.
Last updated 2026-05-13