Epidermal cooling via cryogen spray cooling
, contact cooling, or air cooling allows clinicians to use higher fluences, allows for the use of safe treatment of darker skin types, and decreases treatment discomfort.
The Smoothbeam laser which uses a 1,450-nm wavelength and a cryogen spray cooling
device, reduces active acne lesion counts by altering the structure of sebaceous glands, according to the manufacturer, Candela Corp.
Kelly will often treat with a spot size of 10 mm or 12 mm with a 6-millisecond pulse duration with cryogen spray cooling
set at 30 milliseconds with a 30-millisecond delay.