I tried once and the side effect was harsh then i stopped.. maybe I was allergic

I did for more than 2 years. It needs consistency and be very aware of the amount you are applying. If it's your first time use it 2/3 days a week and then you increase the days as you progress and as your skin develop tolerance.

Me almost 2 year ....betame arif ngr nw gene atekakemun maweke yasfrlgal