However, VAL-1216-PQ was not approved until 4/29/2011; and. viii. Protocol VAL-1216-PQ does not address challenge testing for conducting maximum number of runs using the (b)(4) before a cleaning process is necessary.
Skin Tightening: Most cosmetic laser procedures provide some level of superficial tightening at the least, because they produce a controlled injury of the skin, which encourages increased collagen production. For more significant tightening results, though, CO2 lasers are the laser of choice.
Laser Types For Laser Treatment For Face Wrinkles. The ablative lasers type burn the top layer of the skin and helping the growth of new collagen in the face tissues. Skin elasticity and skin firmess are promoted by collagen which is a natural protein.