[Routine Help] I want to start using AHA but have very dry, dehydrated and sensitive skin. Can I put AHA on top on my moisturizer instead of underneath? I dont want to leave it on dry unmoisturized skin for 20 mins!

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So as the title says, I have super dry, dehydrated skin. It's mostly under control as I literally use 4-7 layers of hydrating toners, essence, serums and moisturizer morning and night. Even through that, I can still have dry flaky skin around my nose, above my lips or between my eyes. I have the occasional CC as well, so I decided I wanted to try chemical exfoliation. I got 5% lactic acid from The Ordinary and I'm very excited to try it.... but I havent yet, because each time I wash my face, all I want to do is slap on a ton of hydrating products. If I dont, my skin gets tight and uncomfortable within minutes. Does this mean AHA will simply not work for me?I also have Retin-A, and it was MUCH too strong for me, caused insane redness and flaking skin... until I read some alternative advice, which was to put it at the end of the routine instead of the beginning. To wait until all your moisturizer was absorbed and your skin was dry to the touch and then put it on top. Worked like a charm, I got all the benefits and none of the harsh side effects. Can I do the same with AHA?
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Submitted by metalola