day 3 into new routine, normal?

Finally started using a proper moisturizer routine this week after months of just winging it. Applying right after the shower like everyone here suggests, morning and night. Problem is my forearms are itchier than before, not less. It’s day 3 and I keep going back and forth on whether this is a normal adjustment phase or if I should just stop and try something else. Anyone dealt with this in the first week of a new routine? How long did you wait it out before switching?