Fatty acid-free liquid dye composition comprising at least one oxidation base and 2-methyl-1,3-propanediol, dyeing process, and device

摘要

A liquid dye composition, free of fatty acids and fatty acid salts, comprising at least one oxidation base and 2-methyl-1,3-propanediol; a ready-to-use composition comprising the liquid dye composition and at least one oxidizing agent; a process for dyeing human keratin fibers using the liquid dye composition; and a device comprising the liquid dye composition.