Mine for the week :
PC C15 Booster and Timeless. Currently using Algenist GENIUS Vitamin C+ Serum now and ++
For the C+E+Ferulic formulas, Timeless smells like orange rinds and Drunk Elephant ++
It’s more likely that it’s a reaction to something in the +
It's not one of the options you listed, but I am using Peach & Lily's The Good Acids Pore Toner ++
depends on the pH/free acid values. you can't just go by percentage. unbuffered glycolic at 2% has++
Since your skin is used to Retin-A, I think you can use higher percentage of retinol ++
I guess it depends on your skin type and also the type of Vit C is in the product ++
I updated my NP with my skincare routine but I'll list some of the products I've tried..
Sit down, this is going to be long...