1. Condition known as “dark rings under the eyes” in the Japanese population is a kind of dermal melanocytosis which can be successfully treated by Q-switched ruby laser;Watanabe;Dermatology Surg,2006
2. Infraorbital pigmented skin. Preliminary observations of laser therapy;Lowe;Dermatol Surg,1995
3. Infraorbital dark circles: definition, causes, and treatment options;Roh;Dermatol Surg,2009
4. What causes dark circles under the eyes;Freitag;J Cosmet Dermatol,2007
5. Eye area problems puffiness, bags, dark circles and crowsfeet;Oresajo;Cosmet Toiletries,1987