Touch up lips with a tinted lip balm. This will keep lips moisturized while adding a subtle color. With a newborns wobbly head, many times the baby will hit the lips, smearing lip gloss and lipstick over mum and baby. A tinted lip balm will be less noticeable and easier to clean up. If you can afford to treat yourelf you could also consider Designer Permanent Makeup. This is a long lasting soluion that allows you to wake with your make up permanently in place every morning!
To maximize makeup application, keep makeup products on hand in a small bag.