An apparatus enabling a casual user in a residential set-up to perform himself almost every skin treatment procedure by using a variety of modules that may be inserted into an infrastructure frame. The apparatus presents a docking station and an applicator. The applicator simultaneously receives only two types of skin treatment modules, these may be replaced after use for modules providing a different type of skin treatment. Such skin treatment modules like epilator, shaver, exfoliation or abrasive module, suction head, and massage head apply a mechanical action to the skin. Ultrasound module applies ultrasound waves to the skin. Intense pulsed light and RF apply electromagnetic radiation to the skin. A combination of these modules may be used to provide a variety of skin treatments such as hair removal, skin rejuvenation, skin exfoliation, acne treatment, circumference reduction, and other skin treatments.