A cosmetic or dermatological preparation which is suitable for application to skin and comprises 3-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)-propane-1-one in a concentration which is effective for at least one of increasing skin moisture content, moisturizing skin, improving the surface structure of the skin, reducing cellulite, increasing the resilience and elasticity of skin, strengthening the connective tissue of skin, and reducing stretch marks on skin. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.