I have found that after a couple of weeks of using retinol, that my face has become rather shiny. Especially my cheekbone area.
I was using it every other day or so, but I'm going to go for just once a week, I think. But I thought I'd check incase this is normal and something that will iron itself out, along with wrinkles after a wee while.
Its not a greasy or oily type of shine. It feels soft and smooth. It just looks like a plastic shine 😆 best way I can describe it.