Abstract: The present invention relates to the use of monosubstiuted urea derivatives of the formula I as self-tanning substance, for increasing melanin synthesis, for improving melanin transport and/or improving the distribution of melanin in suprabasal layers, and to preparations comprising these urea derivatives.

Abstract: The present invention relates to specific ?-hydroxyketones of the formula (I) for use in the prevention and/or treatment of photodermatoses and to the use of specific ?-hydroxyketones of the formula (I) as active ingredient in typical compositions for the prevention and/or non-therapeutic treatment of photodermatoses, in particular of polymorphic light eruption.

Abstract: A use of noreugenin glycoside derivatives of formulas I, II and III as a self-tanning substance or to increase the synthesis of melanin, improve melanin transport and/or improve the distribution of melanin in suprabasal layers, preparations containing noreugenin glycoside derivatives of formulas I, II and III, and noreugenin glycoside derivatives of formulas I, II and III.

Abstract: The present invention relates to specific ?-hydroxyketones of the formula (I) for use in the prevention and/or treatment of photodermatoses and to the use of specific ?-hydroxyketones of the formula (I) as active ingredient in typical compositions for the prevention and/or non-therapeutic treatment of photodermatoses, in particular of polymorphic light eruption.

Abstract: The present invention relates to the use of barbituric acid derivatives of the formula I as self-tanning substance, for increasing melanin synthesis, for improving melanin transport and/or improving the distribution of melanin in superbasal layers, to preparations comprising these barbituric acid derivatives, and to specific barbituric acid derivatives.

Abstract: The present invention relates to the use of monosubstiuted urea derivatives of the formula I as self-tanning substance, for increasing melanin synthesis, for improving melanin transport and/or improving the distribution of melanin in suprabasal layers, and to preparations comprising these urea derivatives.

Abstract: The present invention relates to the use of noreugenin glycoside derivatives of formulas I, II and III as a self-tanning substance or to increase the synthesis of melanin, improve melanin transport and/or improve the distribution of melanin in suprabasal layers, preparations containing noreugenin glycoside derivatives of formulas I, II and III, and noreugenin glycoside derivatives of formulas I, II and III.

Abstract: The present invention relates to the use of compounds of the formula (I) for the care, preservation or improvement of the general condition or appearance of the skin or hair, and to preparations comprising compounds of the formula (I).

Abstract: The present invention relates to specific ?-hydroxyketones of the formula (I) for use in the prevention and/or treatment of photodermatoses and to the use of specific ?-hydroxyketones of the formula (I) as active ingredient in typical compositions for the prevention and/or non-therapeutic treatment of photodermatoses, in particular of polymorphic light eruption.

Abstract: The present invention relates to the use of phenyl ketone derivatives of the formula I for use as self-tanning substance or for increasing melanin synthesis, improving melanin transport and/or improving the distribution of melanin in suprabasal layers, and to preparations comprising these phenyl ketone derivatives.

Abstract: 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 hue achieved in the case of tanning with dihydroxyacetone or by the mixture or preparation comprising dihydroxyacetone, as contrast-reduction agents or for coloring keratin-containing fibers, and to preparations or compositions for coloring keratin-containing fibers comprising these specific glucuronolactone derivatives.

Abstract: 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 color shade achieved in the case of tanning with dihydroxyacetone or by the mixture or preparation comprising dihydroxyacetone, as contrast-reduction agents or for coloring keratin-containing fibers, and to preparations or compositions for coloring keratin-containing fibers comprising these specific glucuronolactone derivatives.

Abstract: The present invention relates to the use of compounds of the formula (I) for the care, preservation or improvement of the general condition or appearance of the skin or hair, and to preparations comprising compounds of the formula (I).

Abstract: The present invention relates to the use of compounds of the formula (I) for the care, preservation or improvement of the general condition or appearance of the skin or hair, and to preparations comprising compounds of the formula (I).

Abstract: The present invention relates to chromen-4-one derivatives of the formula (I), to the use thereof as self-tanning substance or for increasing melanin synthesis, improving melanin transport and/or improving the distribution of melanin in suprabasal layers, and to preparations comprising these chromen-4-one derivatives.

Abstract: 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 hue 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.

Abstract: The present invention relates to the use of phenyl ketone derivatives of the formula I for use as self-tanning substance or for increasing melanin synthesis, improving melanin transport and/or improving the distribution of melanin in suprabasal layers, and to preparations comprising these phenyl ketone derivatives.

Abstract: The invention relates to the use of chromen-4-one derivatives of the formula I where R1 and R2 may be identical or different and are selected from H, —C(?O)—R7, —C(?O)—OR7, alkyl groups, alkenyl groups, hydroxyalkyl groups and/or cycloalkyl groups and/or cycloalkenyl groups, R3 is H or alkyl groups, R4 is H or OR8, R5 and R6 are selected from —H, —OH, alkyl groups, alkenyl groups and hydroxyalkyl groups, and R7 is H, alkyl groups, a polyhydroxyl compound, such as, preferably, an ascorbic acid radical or glycosidic radicals, and R8 is H or alkyl groups, where at least two of the substituents R1, R2 and R4-R6 are different from H or at least one substituent from R1 and R2 is —C(?O)—R7 or —C(?O)—OR7, for the care, preservation or improvement of the general state of the skin or hair.

Abstract: 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.

Abstract: The present invention relates to chromen-4-one derivatives of the formula (I), to the use thereof as self-tanning substance or for increasing melanin synthesis, improving melanin transport and/or improving the distribution of melanin in suprabasal layers, and to preparations comprising these chromen-4-one derivatives.