1. Skipping Sunscreen - The best way to keep away wrinkles is sunscreen. Use a broad-spectrum formula (meaning they will sheild UVA and UVB rays). Apply sunscreen everyday before your makeup and reapply every 2 hours if you are active or swimming. We know, its a pain, but come on - you'll get the last laugh instead of the 1st laugh lines.
2. Tanning - In trying to protect itself form continued exposure to sun, the skin thickens and produces melanin (pigment that darkens skin). Pigment changes from UVA an UVB light, causing premature aging and increases the likelyhood of skin cancer. Try a spray tan or use a self tanner instead.
3. Not washing your face at night - Letting skin marinate in makeup - not to mention a day's worth of oil buildup leads to clogged pores and breakouts.
4. Smoking - It's time to quit. You'll not only damage your health but you'll develop