1 Can you let me know the skin prep for oily and sweat prone skin before make up?? 2 Can you give me the details of how many brushes are required for doing the make up and what's the use of those brushes?? 3 I have a sweat prone skin so if I apply make up and then go for parties or pubs or sangeet where I dance n sweat and then if I take pictures or look in mirror my makeup becomes flat and it turns out to be horrible what's the solution for that??? 4 How to set make up on a sweat prone and oily skin??