There are 3 methods for labia majoraplasty. First is RF shrinkage, which requires 3 treatments, no scalpel, shrinks ~ 50% costs ~ $3000 and must be repeated (series of 3) every 8-10 months. The second is a "double hockey stick" procedure, performed by Dr. Dawid Serafin in Poland, and myself here in the U.S. which requires 2 "double chevron" shaped incisions in the mid-lower labia majora, and does not so much remove a lot of skin, as it "lifts" saggy, older-appearing labia majora. The third, what you ask about and most utilized, is the vertical "half-moon" or "teardrop-shaped majoraplasty which removes the epidermis (superficial skin) and deeper dermis (lower, generating layer) and superficial fascial layer, and- as others have said- removes ~ 2-4 mm thickness. The important thing is to not disturb the underlying fat pad and its thin fascial covering, along with a careful monofilament subcutaneous or removal nylon mattress closure, so as to produce only a very thin scar. RealSelf's web reference below contains several majoraplasties. Best wishes, Michael P Goodman, MD, FACOG, IF, AAACS. Davis, Northern CA, USA