Restriction in Europe:
III/21 The maximum permitted concentrations are:
a) Products for hair to rinse: 0.5% (in quinine base)
b) Products for hair without rinsing: 0.2% (in quinine base)
Its functions (INCI)
Denaturant : Makes cosmetics unpleasant. Mainly added to cosmetics containing ethyl alcohol
Hair conditioning : Leaves hair easy to comb, soft, soft and shiny and / or confers volume, lightness and shine
Masking : Reduces or inhibits the odor or basic taste of the product