While every client is different, the amount of treatments predominately depends on the areas treated. typically, when reducing unwanted hair from the underarms and lower half of the body, such as full legs or brazilian bikini, clients schedule treatments every 6 to 8 weeks.² for reducing unwanted facial hair, such as hair on the upper lip, chin, and sideburns, most clients schedule a laser hair removal appointment every 4 to 6 weeks. usually optimal hair reduction is reached within 6 to 8 weeks, and clients may then opt for a touch up session , spaced out every 8-12 weeks apart, to reduce remaining hair. ³²again, the number of treatments and the space in between each treatment depends on the client as well as other factors. during your free consultation, a laser specialist will discuss what you may expect during your laser hair reduction treatments.