For black suture you can take ayurvedic or homeopathic
treatment. Neem (Azadiracta indica), Giloy (Tinospora cordifolia), Manjistha (Rubia cordifolia) , Haridra (Curcuma longa) are very effective for skin problems. Take extra amount of water. Avoid extra amount of proteins
and fat. Avoid difficult to digest food.Avoid the types of food which irritate your skin. to get more information, you can contact me any time.