How to use?

[cold_nano]

I am currently using hydroquinone 4% daily and tretinoin 0.025% twice a week. I have Fitzpatrick Skin Type III. Should I continue with 0.025% and gradually increase the frequency, or would switching to 0.05% provide better results? Which option is more effective while minimizing irritation and the risk of pigmentation?
After 3 months I will apply azelaic+tretnion can I use dermastamp too or no need?

 

[duzxk1]

Gradually increase