Histidine Hcl ●
TL;DR. This ingredient is primarily a skin and hair conditioning additive, with secondary roles as a humectant and pH-buffering support in water-based formulas.
What does Histidine Hcl do in a cosmetic formula?
This ingredient is primarily a skin and hair conditioning additive, with secondary roles as a humectant and pH-buffering support in water-based formulas.
Is Histidine Hcl clean?
This ingredient has a favorable clean-beauty profile because it is a naturally occurring amino-acid derivative with low sensitization concern at cosmetic use levels. The main formulation watchpoint is simple pH control, since the salt form can make formulas more acidic.
Is Histidine Hcl sustainable?
This material is commonly made through fermentation or protein-derived routes, then converted into a water-soluble salt. It is expected to be readily biodegradable and does not raise major persistence or bioaccumulation concerns.
Is Histidine Hcl COSMOS-approved?
It is generally permitted under COSMOS-natural and COSMOS-organic when sourced and processed according to the standard, with supplier documentation needed for origin and manufacturing route. It aligns well with Green Chemistry when fermentation-derived, because it is biodegradable, water-compatible, and typically used at low levels.
How does Histidine Hcl work chemically?
The molecule is a zwitterionic amino-acid salt with an imidazole side chain, which gives it useful proton-binding behavior and some metal-ion interaction. It is usually used at low levels, often around 0.1% to 2%, and is water-soluble, pH-dependent, and generally stable, though amino-acid materials can contribute to browning reactions with reducing sugars under heat.
Last updated 2026-05-13