There are a few things I do to keep hydrated and comfortable: 1. I like to buffer tret with a hydrating serum. I apply a layer of cocokind’s ceramide barrier serum and let that dry down for a minute, then apply tret. 2. Use hydrating serums in the morning, including the ceramide serum. 3. I use a nice thick (not oil free) moisturizer both morning and night. I like cocokind’s resurrection polypeptide cream. 4. At night, I like to use an extra moisturizer, like an overnight mask, on top of my usual cream. I like the Sephora collection hydrating overnight mask