Because every surgeon has a different post-operative protocol I would first advise asking your operating surgeon. A relatively safe rule of thumb is somewhere around 3 weeks but this can vary from patient to patient depending on skin type and residual swelling and bruising after the chin...
Laser treatment handpieces should be properly cleaned between each patient treatments. I have unfortunately seen patients who developed warts, mollusca and herpes virus outbreaks after laser sessions, typically at spa salons. It's important to seek out a reputable place for safe...
Shaving is necessary prior to laser hair removal as it allows the source to penetrate the follicle better, and destroy it. It doesn't matter which direction you shave, although, you really should be shaving in the direction the hair grows, not against it. It helps prevent ingrown hairs and...