The invention relates to the use of specific glucuronolactone derivatives as self-tanning substances, as tanning enhancers for dihydroxyacetone or for a mixture of self-tanning substances comprising dihydroxyacetone, for modulation of the colour shade achieved in the case of tanning with dihydroxyacetone or by the mixture or preparation comprising dihydroxyacetone, as contrast-reduction agents or for colouring keratin-containing fibres, and to preparations or compositions for colouring keratin-containing fibres comprising these specific glucuronolactone derivatives.
