Psoriasis is a chronic skin condition caused by an overactive immune system. Symptoms include flaking, inflammation, and thick, white, silvery, or red patches of skin. Acne vulgaris is a common chronic skin disease involving blockage and/or inflammation of the hair follicles and their accompanying sebaceous glands. In Chinese Medicine the one thing that both of these conditions have in common is that there is an element of inflammation and heat, skin disorders are notoriously difficult to treat. This is because there is almost always a mixed pattern of excess and deficiency simultaneously, such as combination of wind, toxic heat, or dampness, paired blood or yin deficiency. In addition to dietary and lifestyle changes Chinese herbs can be very helpful. When looking for a modern day formula to Clear heat and detoxify, invigorate the blood, and nourish the blood and yin look for one containing one or more of the following herbs: