Sinus pilonidal concern 26/100 000 young adults. It manifests after puberty, presenting as an acute abscess in approximately 50% of patients or as a discharging painful sinus. Patients may experience lengthy healing times resulting in considerable morbidity and disruption to a young adult's life. Eradication of pilonidal sinus is based on a wide surgical excision and at the end of the procedure, the wound is dressed with an alginate dressing (Algosteril®).