There are two shapes of prosthesis that are currently used internationally: round, and natural. Below I use Johnson & Johnson Mantle prosthesis as an example. Johnson & Johnson’s round implants are Type I gel with a soft texture. After surgery, the breasts are rounded when standing. When lying down, the breasts will naturally collapse, but will not expand into a pie shape. Round is plump and elastic, girls usually prefer round, in fact, not everyone is suitable for round. Dr. Viney suggests: breast has a certain foundation, subcutaneous fat has a certain thickness, no obvious sagging of the breast candidates suitable. In short: small, non-sagging breasts. Natural breast implants are a new product introduced in recent years, commonly known as teardrop-shaped because of the curvature of the teardrop-like shape. Natural implants are Type III gel, with high viscosity and good filling. After surgery, the breasts are firm when standing up. When lying down, the breasts are firm. The natural type shows a firm and tight effect. Models especially prefer this model. Dr. Vini recommends: long and thin body shape (e.g. models) too tight breast skin (fitness enthusiasts). Those with sagging breasts and sagging nipples (sagging after breastfeeding) may prefer the natural type. In short: loose and tight breasts choose teardrop. If you still don’t know how to choose, let a professional doctor recommend it for you!