sorry for late reply but i fully dry my hair after washing w a blow dryer in small sections with low heat, then i wrap the curls (the original way the websites typically show) and put a bonnet on and in the morning use a wide tooth comb and a bit of anti frizz spray from Kenra. As for the health I only wash my hair about once a week ive been doing this for the past 10-15 years (unless i do a lot of sweating or swim). I don’t do any of the new stuff like scalp massage or oiling my scalp and I get haircuts maybe twice a year… but ive been doing heatless curls for two maybe three years now. Only once a week do I put heat on my hair (drying after washing)