ations according to the invention moreover also include waxes, such as e.g. candelilla wax or carnauba waxceramides, where ceramides are understood as meaning N-acylsphingosins (fatty acid amides of sphingosin) or synthetic analogues of such lipids (so-called pseudo-ceramides), which significantly improve the water retention capacity of the stratum corneum.phospholipids, for example soya lecithin,