i need help

[TiagoBarbosa5]

hi guys , i have 17.5 years and this is my hair.
i noticed that my left side is thin comparing the sides , also when im next to the lights i can see the skin.
here are the photos https://tiagobarbosa341.imgur.com/all/?third_party=1

[techi1992]

The given link doesn't have any photo - please recheck that.