A topical therapy is turmeric paste.

To make this Ayurvedic remedy:

use 1/2 cup of turmeric with 1 cup of water (add 1 to 1.5 teaspoons of ground black pepper, optional) then boil this mixture into a paste for at least 8 minutes (you may have to add more water).

Let cool before using.

Be aware that turmeric can stain clothes and plastic container, so be careful when applying to affected area.