Fractional laser is an amazing and highly effective treatment in our office. We use the laser treatment to help with acne scars, large pores, fine wrinkles, tissue collagen loss, scars, sebaceous hyperplasia, active acne, and for brightening dark pigmentation. Although there are very strong...
Ablative lasers are those that vaporize the epidermis and papillary dermis. This includes CO2 and Er YAG. They can be used to remove the entire epidermis, either full or partial thickness.
Nonablative devices do not wound the epidermis. These include IPL, radiofrequency,...
It really depends on what you are treating. If its acne scars, I like a 3-4 month interval as collagen stimulation is max at that time. If its for pigmentation, we can squeeze the treatments every 3-4 weeks (if the parameters are say 100 microns, as your skin recovers within 5 days)...