Yes on retinoid. Just go in more slowly on neck than you would on face +++
Specifically for the aminos and moisture: The Ordinary Amino acids+B5 is a bit of an unsung hero +
So I have been using this on the red areas of my face, I thought I was rop++
I found this great review that was very helpful to me (long) +++
Cystic acne regimen SLMD skincare
Help! Peri-oral dermatitis? Should I insist on a biopsy or culture? +++
I am more or less in the same boat. I'm acne prone in my chin but rosacea prone on nose mainly +