The number of CIT treatments depends on your clients’ current skin condition and goals. Three to four treatments may be needed for moderate acne scars. Scars from thermal burns and stretch marks may require between 6-10 CIT sessions. The added Collagen lasts up to 12 months and a refresher treatment is recommended every 6 months to 1 year in order to fight the signs of ageing. Your client should be advised that multiple sessions may be needed to reach their desired results in order to meet their expectations.Best practice and optimal results come from you, the professional, providing your clients’ with proper pre and post-care instructions.