US Patent 7108849 Hair wax product with reduced density

The wax composition for styling human hair provides hold, strength and rigidity, includes at least one wax and/or waxy material, and has a density of less than or equal to 0.9 g/ml, after being foamed in a fluid or softened state with a gas, preferably air or a non-reactive gas, such as nitrogen, so that it includes a bubble and/or pore structure. In the method for styling human hair this wax composition is applied to the hair and the hair is shaped with the wax composition applied to it.