Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to treat wrinkles at home [title] Drink eight full glasses of water each day. [step] This will keep your skin hydrated, which will gently plump up existing wrinkles and discourage new ones from forming. [title] Avoid using facial products containing alcohol.

Ending1: [step] Alcohol can cause a " lemon bitter " effect on your skin. Repeat this every two hours for other causes. Ending2: [step] Alcohol is extremely acid and can cause dehydration. It may also irritate spots, especially if it is applied topically. Ending3: [step] Alcohol is drying and can cause wrinkles to form. Use products containing water or witch hazel instead. Ending4: [step] Alcohol can cause wrinkles in your skin. Completely empty the glass, then continue to drink water as usual.

Answer format: ending1/ending2/ending3/ending4