One of the biggest concerns with fat-graft breast augmentation is:

“How much fat will actually remain?”

In reality, even with perfect surgical technique, post-operative care determines more than 50% of the final result.

Among the many after-care strategies we have evaluated, our clinic strongly recommends:

Soy milk 1 liter per day for the first month after surgery.

Patients who follow this consistently show clearly better fat retention, especially in the cleavage and central chest area where fat often struggles to survive.

Why Soy Milk Significantly Improves Fat Retention (Medical Rationale)

1. Isoflavones provide a mild estrogen-like effect

This improves:

• Blood flow to the breast tissue
• The environment for newly grafted fat cells to survive

This is particularly effective in the medial cleavage area, where maintaining volume is typically the most difficult.

2. Rich in plant protein and essential amino acids

Successful fat grafting requires:

• Tissue repair
• Neovascularization (new vessel formation)

Soy milk provides the nutrients necessary for these biological processes, supporting higher fat survival.

3. Genistein offers anti-inflammatory and antioxidant effects

This helps prevent the progression:

inflammation → fibrosis → lumps (nodules)

— one of the major risks of fat grafting.

For slender patients with less subcutaneous blood flow, this is especially beneficial.

A Case Example: Fat Grafting Over a 10-Year-Old Silicone Implant

The patient featured received fat grafting on top of a silicone implant placed 10 years ago.

Normally, fat survival above a silicone implant is challenging due to limited vascularity.

However, because she maintained 1 liter of soy milk daily, even the difficult central area retained volume well after 1 month.

This demonstrates how strongly nutrition and after-care influence fat survival, even in anatomically disadvantageous areas.

After Fat Grafting, “Eating More” Is NOT the Answer

Some believe they should “eat a lot” after fat grafting.

This is incorrect.

In fact:

• Junk foods
• Excess sugar
• Excess fat
  increase inflammation, worsen fibrosis, and raise the risk of fat necrosis and lumps.

In contrast, soy milk is:

• Easy to drink daily
• Affordable
• Healthy
• Scientifically logical for fat retention

It is one of the most realistic and effective strategies to optimize results.

AVAN TOKYO’s Recommended Formula

Fat Grafting Breast Augmentation × 1 Month of Daily Soy Milk

Just this one habit can significantly improve:

• Fat survival
• Softness and natural feel of the breast
• Long-term stability of the result

Beautiful results are built not only in the operating room, but by how carefully the patient protects the fat during the first month.