It shouldnt .But If you have a lot of blackheads ,it will make them come out on the surface as a whiteheads.When I used it the first time ,I immediately saw an improvement and combined with b3 serum ,I had nearly flawless skin after a month.

The second time around,my skin was very clogged,lots of blackheads,and couple of skin coloured bumps on my cheeks,so It took a longer time to see a results.

It shouldnt .But If you have a lot of blackheads ,it will make them come out on the surface as a whiteheads.When I used it the first time ,I immediately saw an improvement and combined with b3 serum ,I had nearly flawless skin after a month.

The second time around,my skin was very clogged,lots of blackheads,and couple of skin coloured bumps on my cheeks,so It took a longer time to see a results.

What does the b3 serum do?