| abstract |
The present invention is a method for decolorizing or dyeing keratin fibers, in particular human keratin fibers such as hair, comprising applying a composition (A) comprising one or more chemical oxidants to said fibers; Irradiating the fiber with UV visible radiation having a wavelength in the range of 200 to 800 nm and having a fluence of 1 to 5000 J / cm 2 after applying the composition (A); If the method is a method for dyeing keratin fibers, it relates to a method in which one or more oxidation dyes are additionally used. |