FIELD: cosmetology.
SUBSTANCE: group of inventions relates to cosmetology and concerns a composition for keratin fibre dying i) at least one substantive dye containing a disulphide, thiol or thiol-protected function, and ii) at least one thickening organic polymer not on cellulose base, iii) at least one alkaline agent, iv) at least one reducing agent, and optionally v) at least one surfactant. Invention also relates to a method of keratic fibre dying and method of lightening dying of dark keratin fibres using the described compositions and to multicell dying device.
EFFECT: group of inventions provides prolonged keratin fibre dying without using chemical oxidizing agent, enables to obtain improved dying in terms of stability in relation to external factors, uniformity of dying and intensity.
23 cl
