What is the reason for these white patches on my forehead????!!!!!!!

[nh_user_1217499]

So iv'e had acne and white spots on my forehead here and there all year but now im getting really worried about. what do you guys think it is? especially above my right eyebrow area.

it looks less visible in some lighting compared to other lighting.

[nh_user_1217499]

PLEASE SOMEBODY HELP MEEEE