Red light therapy has been used to treat many different conditions and ailments. Red Light Therapy Acne Red light therapy can soothe acne because it can improve circulation and inflammation through the energy transfer. This means that painful, swollen spots may be reduced in size and the lymphatic system can more efficiently clear away waste products, which could prevent the build-up of spot-causing products within the skin. It is also thought that it can shrink oil glands and therefore reduce the amount of oil which is produced.   Red light can also be used in conjunction with blue light to...