13.In warm weather keep your lip shades in the refrigerator to keep it away from melting.
14.Fix your broken lipstick:
We all have one or more lipstick that has been broken. Just warm the broken end of the lipstick with a lighter and gently place in on the other piece. Now warm it a bit again and let it cool. Your lipstick will be as good as a new one.
15.Apply primer before lipstick application. It keeps your lipstick away from feathering.