Looking for Best Hair Transplant Clinic? Consult with Our Best Hair Specialist Doctor. Dr. Prashant Agrawal is a dermatologist, hair transplant surgeon, cosmetologist, academician, and philanthropist. He is the founder and director of Dermadent Clinic – the first of its kind state-of-the-art dermatology and dental clinic in Udaipur. He has also served as consultant to GBH American Hospital heading its department of dermatology & cosmetology for more than seven years.