... , arms, armpits, chest, back, bikini, legs...Working TheoryDuring a laser hair removal treatment, light passes through the skin and is absorbed by ... -SAFE-RELIABLE-PERMANENT hair removal b. long using time for 3-5 years;2. perfect cooling system---the USA military compressor ... using life in busy clinic/salons.4. Auto alarm protection system of water flow, water level and water temperature. It protects ...