I am doing Bioscience R45 The Reversal and am currently on phase 3. I want to know the percentage of retinol in Phase 4, because I want to figure out what AHA to transition to after I have completed the regimen.
I am doing Bioscience R45 The Reversal and am currently on phase 3. I want to know the percentage of retinol in Phase 4, because I want to figure out what AHA to transition to after I have completed the regimen.