[skin concerns] How can you know whether flaky skin needs moisture or exfoliating?

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For example, my dermatologist told me not to exfoliate in any form because of my paper thin skin. But I still have obvious flakes that stand out once I put product over top, like sunscreen. They ball up and just stay there. So that means my skin doesn't need exfoliation, but more moisturizing, right? It can also be applied to my hand situation: I suffer with horribly dry hands to the point the flakes would snow if I scratched my hand. So if I tried to exfoliate my hands, they'd obviously be even angrier and bleed. But once I found a great moisturizer, my hands are super smooth and somehow the flakes went away by themselves.Back to my face skin, does the amount of moisturizer matter? I use a pea-sized amount of moisturizer in the morning but I feel like it's not enough and that may be why I still have flaky face.But how can you tell the difference in other cases? Hope this makes sense, please enlighten me on this topic. Are there any articles or your personal experience?
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Submitted by tinselwooos