Namely
This ingredient is REACH (Aquatic Chronic 2) ecotoxic and is not easily biodegradable.
Restriction in Europe:
II/395, III/51 The maximum allowable limits and concentrations are dependent on the use of the ingredient in:
a) Stabilizing agent for hydrogen peroxide in rinsing products for hair and facial hair: 0.3% (as a base)
b) Stabilizing agent for hydrogen peroxide in non-rinsing products for hair and facial hair: 0.03% (as a base)
Its functions (INCI)
Antimicrobial : Helps slowing the growth of micro-organisms on the skin and counteracts the development of microbes
Chelating : Reacts and forms complexes with metal ions that could affect the stability and / or appearance of cosmetic products