Final answer:
Drinking alcohol is not beneficial for your skin as it can cause dehydration, leading to premature aging and other skin issues. Maintaining healthy skin practices like proper hygiene, balanced diet, moderate sun exposure, and using sunscreen are essential.
Step-by-step explanation:
The behavior that is not beneficial for your skin is C. Drinking alcohol. While exercising regularly helps improve circulation and flush toxins from the skin, avoiding excessive sun exposure reduces the risk of skin cancer, and eating a balanced diet provides nutrients necessary for skin health, drinking alcohol can dehydrate the body, including the skin. This may contribute to premature aging and other skin problems. It's important to maintain hydration for healthy skin, alongside other beneficial practices such as bathing every day and protecting against harmful UV radiation with sunscreen.