Nasolabial folds are sometimes referred to as smile or laugh lines. Keep reading to find out what you can do to help and prevent smile lines. It helps prevent lines and sagging. You'll need to apply this treatment every day for it to be beneficial, but you can see results over the long term. Preventing Deep Lines in Your 30s and Early 40s You may be a … It also helps to put on a wide-brimmed hat to block out the rays. With the right set of tips and hacks, you can vanish the ageing sign naturally at home. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fd\/Avoid-Smile-Lines-Step-1.jpg\/v4-460px-Avoid-Smile-Lines-Step-1.jpg","bigUrl":"\/images\/thumb\/f\/fd\/Avoid-Smile-Lines-Step-1.jpg\/aid9682311-v4-728px-Avoid-Smile-Lines-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"