The basic rule for home made beauty care -- Keep the recipe simple. Avoid ingredients that you have unpleasant side effects on your skin.- Sterilize and dry all the equipments and containers. - Make small batches of the product that you would use each day.- If you smell any thing rotten or bad, throw out the concoction.- Do a patch test before trying out any home made beauty recipes to avoid nasty side effects.- Hygiene and cleanliness is all important.- Create natural home facial mask at home, keeping in mind your skin type.