Prasad Kumarasinghe, MBBS,MD,FCCP,FAMS,FACD is a Clinical Professor and Consultant Dermatologist at the University of Western Australia, Department of Dermatology, and is affiliated with Fiona Stanley Hospital. He is also a Fellow of the Australian College of Dermatologists (FACD), a Fellow of the Singapore Academy of Medicine (FAMS), a Fellow of the Sri Lanka College of Dermatologists (FSLCD) and a Fellow of the Ceylon College of Physicians (FCCP). He worked as a Consultant Dermatologist at several university teaching hospitals in Sri Lanka and Singapore before commencing practice in Australia. Dr Kumarasinghe is a leading authority on pigmentary disorders and tropical dermatology and is a regular speaker at many national and international dermatology forums including the World Congress of Dermatology, International Congress of Dermatology and the International Pigment Cell Conference. He has authored or co-authored over 90 scientific papers in reputed medical journals and written chapters in several internationally recognised dermatology textbooks.SERIES EDITORS:Dr. Howard Maibach is an expert in contact and occupational dermatitis and sees patient at the Environmental Dermatosis Clinic, which is part of the Dermatology Clinic. His specialty is dermatotoxicology, or skin exposure toxicity; allergies and skin disorders; and dermatopharmacology or the study of medications for skin disorders. Dr. Maibach has been on the editorial board of more than 30 scientific journals and is a member of 19 professional societies including the American Academy of Dermatology, San Francisco Dermatological Society and the Internal Commission on Occupation Health. He is a professor in the Department of Dermatology at UCSF.Dr. Chee Leok Goh is a top Consultant Dermatologist, Professor and Adjunct Professor at the National Skin Centre Faculty of Medicine, National University of Singapore, Duke- NUS Graduate Medical Centre, Singapore. Dr Goh’s expertise includes Dermatology, Contact and Occupational Dermatology, Aesthetic Dermatology, Cutaneous Lasers, Pigmentation Disorders, Dermatitis, Aqua Vulgaris, Urticaria, Photo-aging skin changes, Drug eruptions, Skin infections, Hair fall, Psoriasis, Immunobulous disorders, Hemangioma and portwine stains, Contact and Occupational Dermatitis etc.Dr. John Berth-Jones is a Consultant Dermatologist at University Hospitals Coventry and Warwickshire NHS Trust and Specialist Registrar in Dermatology Norfolk and Norwich University Hospitals Norwich, UK.