Topical silicone has empirically been shown to have positive impact on hypertrophic and keloid scars. It may take from 3 months up to a year or more to improve an old scar, depending on the condition of the scar tissue. Mepiform shall optimally be worn 24 hours a day. It is recommended that Mepiform is removed once a day, such as when showering or bathing, for inspection and washing of the skin. For prophylactic treatment, Mepiform shall be used for 2-6 months depending on the condition of the scar.