The problem with your skin is mainly due to the fungus. You will stay clean. Stay away from damp weather. You will stay away from the sun. You can use regular sunscreen , umbrella , big bordered hat or cap. Don't use other people 's used towels or shaving kits. Lemon juice has many benefits. However, if you are allergic to lemons, it can have the opposite effect. Eat plenty of water and foods rich in vitamins A and C. Keep the skin clean. There are also creams rich in econazole or fluconazole available in the market , you can try them. You can also try a course of fluconazole capsules according to the advice of a dermatologist.