...follow the program I outlined. If he smokes, he should quit. If he's sedentary, he should exercise regularly, ideally the equivalent of 30-60 minutes a day of brisk walking. To add a meditative, deep relaxation component, he might try yoga, or tai chi. And if he eats a lot of meat and cheese, he should try a few meat-less, cheese-less days a week, and eat more fruits and vegetables. This lifestyle approach won't change his size overnight, but over time (like a year), you might notice a difference.
4 - Use a moisturizer on the penis before the exercises and it is preferred not to use soap and shampoo as these materials will lead to redness and irritation of the penis skin . If it stays for a long period of time, in addition to dry skin, and the occurrence of cracks, it is preferred to use the Intensive Care Vaseline instead of the ordinary Vaseline as it can stay on the skin for long period of time without irritating or damaging the skin of the penis.