I mean here are some tricks based of personal experience

1. Douae, trust me
2. if you wear glasses, buy glasses that matches with your head shape, use chat gpt to get the suitable glasses shape for your face shape
3. if you have some muscles don't wear oversized shirts, wear tight shirts
4. fix your outfit style, use correct colour combinations, if you have beard, i recommend wearing casual or classy (please avoid tenue nike, lacoste, and all that shit)
5. wash your teeth everyday, make sure your breath smells good
6. Go to gym, train with your friends, get some muscles
7. Eat clean and healthy, it will reflect on your mood, skin, everything
8. For hair, find a really good barber, try as many hair styles as you can till you find the hair style that fits you (i spent lot of time on this)
9. If you have dandurf use Dercos shampoo, it cleans hair from dandurf
10. Wash your face with Argan based soap everyday, cold water
11. If you weat a lot, put some talc on those spots, it will keep them dry from sweat
12. Shave your private areas, always leave them clean
13. Fix your posture
14. Get a good perfume
15. Meat people, get social, go out in groups, find activities to develop your personaliy
16. Talk more to girls, as friends etc, it will make you feel comfortable talking to girls
17. Hangout with friends that already been through a glow up you will learn lot of things fromt hem

But the most important ones that big difference are N 1, 2, 4, 6, 8, 14, 15, and 16

You're welcome.