Yes, the white spots are vitiligo.
(https://i.ibb.co/jPzTHnmY/kmw8kcm89hxg1.jpg)
(https://i.ibb.co/ks05sWsT/zrn9wbm89hxg1.jpg)
I just want to know if it can be fixed at home, or at least improved significantly. If possible, could someone guide me?
Collagen supplements may improve it, but they won't cure it.
You'll need to see a dermatologist for this. In-clinic treatments are tailored to your skin, so the doctor will recommend what's best. Scars don't fade overnight; they take time, and the duration depends on how deep they are. It's a combination of treatments and a solid skincare routine. If your routine isn't good and consistent, the results won't last.
Unfortunately, no