There is provided an image-based system for cosmetic procedures for skin including an applicator including a light energy emitter, a camera operative to capture and communicate to a computer an image of a segment of skin or blemish obtained of the applicator being in contact with the skin and wherein the computer employs information extracted from the image to determine specific optimal treatment doses of at least one of light energy and RF energy for one or more skin fractions within the segment of skin. The system could also include a remote image capturing and processing device with at least one camera.