It says a minimum of 6hrs, but i've had the best results when used overnight

I have not had the best results with these, like some of the other reviewers

Great results, not harsh and perfect for overnight!

I have found that if you scratch the zit or even pop it, then place the patch over it, the results are a amazing

I have sensitive skin & would’ve noticed if there were any results good or bad.

Amazing results

I have been applying differin on cystic acne with better results.

Good results in a couple of hours!

This helps keep me from popping them and I use them overnight with great results.

I usually wear mine overnight to get the best results

If you want the best results... wear the patches for Atleast 24 hours

Great results, not harsh and perfect for overnight!

Doesn't do as much it claims, left on for extended periods and received little to no meaningful results.

doesn't work, no result at all.

Amazing results.

n’t think you’ll regret it