A method, and a device therefor, are provided that allow for cosmetic treatment of cosmetic disorders, caused by chronological age, environmental factors, changes in physiological functions of skin, such as psoriasis, dermatitis, acne, cellulites, and viral and / or bacteriological attacks, for example herpes, such as Herpes Simplex Virus type 1 (HSV-1), Herpes Simplex Virus type 2 (HSV-2), Epstein Barr Virus (EBV), CytoMegaloVirus (CMV), Varicella Zoster Virus (VZV), human herpes virus 6 (exanthum subitum and roseola infantum), human herpes virus 8 (HHV-8), caposis sarcoma, probably caused by HHV-8, warts, such as verruca vulgaris, verruca planae , verruca seborroica, filiform warts, mosaic warts, etc., caused by virus, and molluscs, caused by poxvirus. The device comprises a nitric oxide (NO) eluting polymer arranged to contact the area to be cosmetically treated, such that a cosmetic dose of nitric oxide is eluted from said nitric oxide eluting polymer to said area.