A cosmetic treatment 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. 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 area. The nitric oxide (NO) eluting polymer is integrated with a carrier material, such that said carrier material, in use, regulates and controls the elution of said cosmetic dosage of nitric oxide (NO). Furthermore, a manufacturing method for said device is provided.
