Everyone loves to have a healthy firm skin especially as one becomes old. It should be a wholesome diet with all the required nutrients for the body to keep it hale and healthy. Your diet for a healthy firm skin should consist of minerals, protein, fats, oils, water, and vitamins. The minerals necessary for a healthy glowing skin include Calcium, Zinc, Sulfur, Copper, Iodine, Iron, magnesium, Potassium and Selenium. Vitamins like A, B Complex, C, D, and E are essential for healthy firm skin. Fats, oils and sweets should be used sparingly, while two to three servings of milk, cheese and yogurt is recommended. Other foods include vegetables, fruits, meat, poultry, fish and beans, bread, cereal, rice and pasta.