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 surgery is often performed when the vein is too small to inject or remove. Light energy is sent into the vein in short bursts, slowly shriveling the vein. The vein then disappears over a small period of time. Laser surgery is very accurate and usually safe for all skin types.