5-diy-natural-wrinkle-remedies: Mash one ripe banana and mix it with one tbsp of yogurt to make a smooth paste. Apply paste to your whole face for benefits. Let it stay for 20-25 minutes and the wash off with lukewarm water. Do this 2 - 3x a week. Bananas are rich in minerals which reduce wrinkle and other aging signs when used religiously.