Hello-
Dark coloration on inner thighs are due to slow BMR and ca be corrected by reducing weight, daily massage and consuming health diet.
Traditionally medicine offers conservative treatment of phimosis. It is worth noting that in recent years, medicine has made great progress in this field. So, if you looking for a permanent solution for your tight foreskin, yes it is possible with Ayurveda. Surgery (circumcision) can be avoided.