Prenatal: exposure to hormones on the womb (determined by chromosomes). It states that biology caused by genetics, XY for a boy and XX for a girl will give them a physical sex. Postnatal: Parents and others label and react towards a child on the basis of his or her genitals.
Radiesse (dermal fillers) (calcium hydroxylapatite)is a good volumizing facial filler that can last 1 year. It is better than than the various hyaluronic acid fillers (restylane, juvederm) for deeper areas and for more longevity.
Implants are permanent, as is a fat transfer, though fat graft does not survive as well in the lips as it does in other areas of the body. Biologic tissue fillers, such as Restylane and Juvederm last anywhere from 4 to 6 months.