Eli5 If water keeps me hydrated and I drink a lot of water, what do I even need lotion and moisturizers for?
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You do not really “need” them, but they can help keep your skin look younger and prettier and free of wrinkles.
The reason is that it takes a while for water to get from your stomach to your skin, and dry air or direct sunlight remove water from your skin faster than body can resupply it.
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