Yerba Santa is often used for cleansing, it is a 'holy herb'. A 100% natural product that is ideal for cleansing, strengthening positive energy and for a place on an altar.
Yerba Santa is a nice to smudge at (healing) ceremonies, rejects negative energies and strengthens your energetic boundaries. Yerba Santa can also be used well after cleansing with White Sage.
The White Sage will cleans energeticly the space, air and/or person, where the Yerba fills the space with its beautiful positive energy.