Method for treating human hair with agents containing mixtures of organic C1-C6 alkoxy siloxanes

A method for treating keratin material, the method comprising:

• applying a cosmetic agent to the keratin material;
• rinsing the cosmetic agent from the keratin material after an exposure time;
• and
• applying a post-treatment agent to the keratin material after rinsing the cosmetic agent from the keratin material;
• wherein the cosmetic agent comprises a mixture of organic C1-C6 alkoxy siloxanes and a cosmetic carrier, and
• wherein the mixture of organic C1-C6 alkoxy siloxanes is obtained by specifically hydrolyzing and precondensing one or more organic C1-C6 alkoxy silanes by adding (i) from 0.10 to 0.80 molar equivalents of water and (ii) catalyst, and the hydrolysis and precondensation is carried out in the absence of any solvent different from water.