Suggest Treatment For Skin Tan On Face

I am Basavaraj, 38 years old. i have facing dark on my face for 12 years from sun. i consulted a doctor in natve he gave photo ban and kojic acid i used a month but no cure. it is very dark and oil after outside from sunscreen. i am pvt emplee i am not able use sunscreen every 3 hours so any best sunscreen only two times a day. hight 5.5,weight 70 kgs

Thanking you,

Basavaraj