Do I apply one first and wait or can I apply both within a couple minutes? Will using lytera with the retinoid or serum reduce their effectiveness?
Answer: Lytera
1 person found this helpful
Answer: Lytera
1 person found this helpful
August 15, 2020
Answer: Retin-A last
10 people found this helpful
August 15, 2020
Answer: Retin-A last
10 people found this helpful