After FRACTIONAL treatment, the subject shall initially feel a burning-inflammation in the treated area, immediately after the treatment and for about half an hour, while skin shall be reddened due to inflammation and exhibit slight edema. Edema usually resolves the next day, while redness in 3-4 days when skin starts peel off. Exfoliation lasts 4-5 days. Recovery time ranges from 5-15 days and severity of symptoms depends on the intensity of treatment and the subject’s response.