[header] How to avoid making makeup mistakes [title] Prepare your skin before foundation. [step] If you put foundation over dry, flaky or overly oily skin, it's going to wind up looking cakey. Always cleanse your face before putting on makeup, and exfoliate your skin one to two times a week to keep skin smooth and clear. 
Finally, be sure to use a moisturizer before your makeup so your skin is properly hydrated. [substeps] It's a good idea to apply a primer before foundation too.