What is in mesotherapy injections? What are they for?

Variety of purposes. Mesotherapy is essentially the delivery of agents into the subcutaneous space using a variety of very small needles. Currently the most popular indications are for the administration of "fat melting" drugs such as phosphatidyl choline or brand names such as lipostabil or lipo dissolve. A new drug Kythera will be used for melting fat in the chin area with anticipated release in January or February.