The present invention provides an approach for stabilizing and/or smoothing preparations containing colloidal materials, a pre-mix and a process for preparing skin care compositions and an improved skin care composition, said composition being presented in semi-solid or wet form and comprising more than 1% (w/w) of colloidal material. In one embodiment of the invention the composition comprises more than 1% of colloidal material such as colloidal oatmeal, said composition being particularly useful for treating the skin and ameliorating skin disorder symptoms.