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Warsaw Academy of Cosmetics and Health Care, Private Dermatology Practice, Warsaw, Poland Skin tightening is one of the important rejuvenating techniques.It can be done by different devices based on radiofrequency, ultrasounds ext.Personally Ⅰ am using infrared wavelength (1100nm-800nm) device-Titan (also of the similar type for exp: Skin Tyte).This wavelength is selected for ideal water absorption and allows uniform heating of the deep dermis (1-3 mm depth).