[Skin Concerns] I have never drank much water. Usually would go weeks without it, and drank soda after soda all day. Will 4 liters improve my skin, also cutting out soda.. and how long might it take?

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I don't have the best skin. I've got some fine lines, and some acne. But it's not too bad. It just seems dull, I guess. And somewhat dry. My whole entire life I did not drik water, I absolutely hated it. When I was old enough to do more what I wanted, I guess about..13 years old..I started on diet coke. Then, up until just now..thats been it. Can after can, all day long. Nothing else. No tea, no water, no coffee..So I'm curious, because I decided to challenge myself. 4 liters a day, will that help improve fine lines and dullness? And I'm talking about cutting out soda totally. How long would it take to be noticable?Thanks in advance :)
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Submitted by Skincarethrowawayy95