Hollows in the buttocks, often referred to as "hip dips" or indentations on the sides of the upper thighs just below the hip bones, are a common concern. While implants are a surgical option to add permanent volume and smooth out these areas, several non-surgical treatments can offer significant improvement: Here are some of the best non-surgical options for filling hollows in the buttocks: 1. Dermal Fillers (Off-Label Use): How they work: Injectable dermal fillers, typically hyaluronic acid-based fillers designed for the body, can be used to add volume directly into the hollow areas. These fillers provide immediate results. Pros: Immediate volume enhancement, relatively minimally invasive, can be precisely placed to target the hollows. Cons: Temporary results (lasting from 12-24 months depending on the filler), can be costly due to the amount of product needed for the buttocks, potential for bruising and swelling. This is considered an "off-label" use as most hyaluronic acid fillers are FDA-approved for facial use. Examples: Hyacorp, Lanluma, and other high-volume hyaluronic acid fillers. 2.Fat Transfer (Non-Surgical or Minimally Invasive): How it works: This involves using liposuction to remove a small amount of fat from another area of your body (like the abdomen or thighs) and then injecting it into the hollows. While traditional fat transfer is surgical, some clinics offer minimally invasive techniques using smaller cannulas. Pros: Natural-looking results as it uses your own tissue, can provide longer-lasting improvement compared to fillers (though some fat reabsorption is expected), can also contour the donor area. Cons: Still involves a liposuction component (though potentially less invasive), some downtime associated with liposuction, results can be unpredictable due to fat reabsorption, may require multiple sessions.