This is a gentle massage used to encourage the natural drainage of of the lymph, this carries waste away from your tissues and all the way to your heart. This system depends on intrinsic contractions of the smooth muscle cells that are found in the walls of your lymph vessels. Manual drainage uses a specific pressure in a rhythmic circular motion to stimulate the lymph flow.
For more information on Lymphatic Drainage visit https://www.nhsofarizona.com/natural-therapies/lymphatic-drainage