The Hag's Cure

The Hag's Cure is an Alchemy and Ingredients store located in Markarth. It also contains beds you can sleep in.

The proprietor, Bothela, gives you a quest to deliver a potion, called "The Stallion's Potion", to the steward of Markarth, located in Understone Keep.

Location
South in Markarth near the Markarth Ruins.