2. Improves Skin
Wrinkles, dull skin, acne... all of your worst fears, right? Luckily, drinking a gallon of water a day can really help improve your skin. Your blemishes will smooth out and your skin will take on a healthy glow—it's truly amazing! You'll look like you've just returned from a seaside vacation every day! Plus, drinking a gallon of water per day helps prevent wrinkles so that your skin is beautiful later in life, too.