Do you apply a Niacinamide based "serum" before Retin-A gel at night or after?

June 11, 2020
Asked By:lmolinaro in New Jersey, NJ

I have a Niacinamide serum that has avocado oil and hyaluronic acid in it. I've researched conflicting information about when to apply this when it comes to using Retin-A gel. Do I apply this serum before or after Retin-A gel?

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