Laser hair removal is one of the most effective options for permanent hair reduction. No laser clinic can claim 100% hair removal, as some hair will always tend to grow back. Re-growth can be affected by hormones and other biological factors which can vary from person to person. Permanent hair reduction is assured. Clients can achieve anywhere from 80% to 95% hair reduction. These results will be influenced by certain conditions such as skin, hair colour and hormones. 1 to 2 Maintenance visits a year is often advised.