Cutaneous squamous cell carcinomas are very rare in children. The recommended treatment for localized cancers is surgery with sufficient margins which can sometimes be mutilating especially for facial localizations. We report a rare case of facial skin carcinoma in a 13-year-old girl measuring 3 cm in diameter infiltrating the tip of the nose. The treatment was an exclusive external radiation therapy with a dose of 70 Gy in 35 fractions in standard fractionation. The technique used was intensity-modulated conformational radiotherapy. It was proposed as an alternative to surgery which could be mutilating. A complete tumour response was obtained with a good aesthetic result and without major toxicity.