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What happens to fat grafting as it ages?

Mar 20, 2025 Source: Cainiu Health
Dr. Han Xuefeng
Introduction
In general, fat grafting involves extracting excess fat from areas such as the thighs or abdomen, followed by a series of processes including filtration and purification, before being evenly injected into the target areas to enhance volume. The typical reference price for fat grafting ranges from 7,000 to 20,000 yuan per session. Improvement is usually noticeable 1–3 months after the procedure, although there may be risks such as infection and bleeding.

Generally, fat filling involves extracting excess fat from the body, processing it, and then injecting it into areas that need augmentation to make them appear fuller. The usual reference price for fat filling ranges from 7,000 to 20,000 yuan per session, and improvements are typically noticeable 1-3 months after the procedure. With aging, possible complications may include diminished filling effects, skin sagging, uneven fat distribution, blurred contours, and changes in skin texture. Detailed explanations are as follows:

1. Reduced Filling Effect

Over time, the injected fat cells may gradually be absorbed or metabolized by the body, causing the filling effect to become less pronounced than immediately after the injection.

2. Skin Sagging

With age, collagen and elastic fibers in the skin gradually diminish, causing natural skin laxity. This can affect the harmony between the filled area and surrounding tissues, exacerbating sagging in the filled area.

3. Uneven Fat Distribution

Different absorption and metabolic rates among fat cells may lead to uneven fat distribution in the filled area, resulting in localized morphological changes.

4. Blurred Contours

Over time, the filled fat may blend with surrounding tissues, causing the contours to become indistinct and potentially losing the original three-dimensionality.

5. Changes in Skin Texture

With aging, skin texture may change, such as becoming dry or rough. This may affect the appearance of the filled area, making the boundary between the filled site and surrounding tissues less distinct.

It is recommended to visit a reputable hospital and undergo the procedure under the guidance of a qualified physician to enhance safety. It is also advisable to develop healthy lifestyle habits, ensure proper rest and work balance, and avoid excessive fatigue to promote overall health.

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