Clear lip balm: Not only does lip balm help keep lips hydrated and smooth, but extending a clear lip balm around the outer edges of the lips during application also creates an invisible shield that prevents lipstick from going anywhere.
Colour in between the lines: A light layer of foundation (optional), followed by a neutral or colourless liner, creates a solid base for keeping lipstick in check. Try MAC Naked Liner Lip Pencil ($30).
Keep reading . . .Check your products: If you find that you still have lots of caking, your products could be old or lacking in quality. Toss lipsticks when necessary and don't be afraid to make an investment for the perfect pigment.
Get glossy: When all else fails, go for a richly hued gloss or highly emollient lipstick instead, which both glide on more smoothly and tend to resist caking.