Thanks for the query.
Lomela is a skin depigmenting agent,
Yes the skin may turn darker once you stop using it.
Best is to raper the use,
That is use it once in two days, followed by twice weekly use
And then once weekly.
Please meet a dermatologist
and discuss regarding this.
Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.
Wishing you a good health.