Is there a risk of getting scars after using CO2 Laser treatment for Fordyce spots on the penis? (Photo)

It looks like the bulbous nature of your nose is due to the thickness and shape of the tip cartilages. A rhinoplasty would be appropriate first, with the possibility of using Accutane in low does to improve the skin thickness.

When a CO2 laser treatment is done to the face correctly, it should not produce scarring.  This would be true for someone with a history of keloid scarring as well.  

Lasers, even under the best of circumstances, carry with them the potential for causing unwanted pigmentary alterations, including permanent loss of pigmentation. With an obvious tendency to vitiligo, the level of concern is legitimately raised that much more. So, I would be inclined to agree...