I'm 55 years old.  I have previously used Retin A .05% cream with no problems at all, but it was a few years ago. Currently, I'm using Stieva-A tretinoin cream 0.1% every other night after I wash my face with a moisturizing goat soap.  Then, I'm putting Eucerin Everyday Protection face lotion on top.  I also use the Eucerin lotion in the morning; it is spf 30.  If I'm going to be outside a...