Composition containing at least one aminophenol derivative and a
solubilizing compound which is not in the form of vesicles, chosen from:
(a) oxyalkylenated fatty acid esters of sorbitan, (b) oxyalkylenated
hydrogenated castor oils, and/or (c) oxyalkylenated fatty alcohols. The
invention also relates to a process for dissolving at least one
aminophenol derivative by mixing it with a solubilizing agent as defined
above.