A method for the preparation of a formulation including adding at least one substance of the general formula (I) wherein R1 is an unbranched or branched C9-alkyl radical to at least one component selected from the group of an emollient, emulsifier, surfactant, thickener, viscosity regulator, stabilizer, UV light protection filter, antioxidant, hydrotropic agent, filler, film-forming agent, pearlescent additive, deodorant active compound, antiperspirant active compound, insect repellent, self-tanning agent, preservative, conditioning agent, perfume, dyestuff, biogenic active compound, care additive, super-oiling agent, and solvent.