Do BBLs stink after 2 years? No. A fully healed BBL should not smell. Odor during recovery can come from drainage, bacteria, or fat necrosis (fat that didn’t survive the transfer). Odor months or years later is not normal, and it needs a doctor’s evaluation.
Written by Kiara DeWitt, BSN, RN, CPN
Medically reviewed by Dr. Josh Allen, D.O., Medical Director, October 23, 2026
Medical disclaimer: This article is for educational purposes only and does not constitute medical advice. If you’ve had a BBL and notice a new or worsening odor, contact your surgeon.
A healed BBL isn’t expected to smell. In an article from the American Society of Plastic Surgeons (ASPS), plastic surgeon Michael Keyes, MD, explains that BBL smell is not a common or expected outcome when the procedure is done under sterile conditions with proper aftercare. He describes it as a result of the recovery period, not the surgery itself.
The causes he lists (moisture trapped in compression garments, hygiene challenges while mobility is limited, infection, and fat necrosis) belong to the healing phase. Once you’ve healed and are out of compression garments, those everyday sources of odor are gone.
If you notice an odor from the treated area a year or two after surgery, don’t assume it’s normal or wait it out. A late odor may point to a complication, such as an unresolved area of fat necrosis or an infection, or to something unrelated to the surgery. A doctor can examine the area and find the cause.
BBL smell is real for some people, but it isn’t universal. According to Dr. Keyes in the ASPS article, these are the main causes:
Bacterial overgrowth. Moisture, heat, and friction under a compression garment create conditions where bacteria multiply, especially when the same garment is worn for long periods without washing.
Hygiene challenges. Limited mobility after surgery can make cleaning, including wiping, more difficult.
Infection. Rarely, odor can be an early sign of infection. It usually comes with other symptoms, such as redness, fever, or increasing pain.
Fat necrosis. When transferred fat doesn’t survive, the tissue can break down. Fat necrosis may also show up as a firm, tender lump.
Dr. Keyes also gives his view that smaller-volume “skinny BBLs” may lower the chance of odor. He reasons that they involve harvesting and transferring less fat, which means less fluid drainage afterward and easier hygiene.
How often do complications happen? Rates vary widely between studies:
The gap likely reflects differences in technique, patient groups, and how each study counted complications. Both studies used techniques meant to keep the fat in the layer under the skin, which safety guidelines recommend, so neither represents every BBL performed.
People who report BBL smell describe it in different ways. The ASPS article notes it has been called “musty” and “rancid,” and compared to the smell of a trash bag. Patient descriptions tend to fall into three tiers:
There’s no published day-by-day timeline for BBL odor. Because the causes are tied to recovery, any mild odor should improve as drainage slows, incisions heal, and you return to normal hygiene.
What to expect by stage:
Your surgeon can tell you what’s normal for your specific procedure and recovery.
In the ASPS article, Dr. Keyes recommends:
Follow your surgeon’s specific aftercare plan, which takes priority over general advice.
Contact your surgeon promptly if you notice:
These signs can point to infection or fat necrosis, which need medical evaluation and treatment.
Call 911 or go to the nearest emergency room for shortness of breath, chest pain, or a high fever with confusion or rapid heartbeat.
A liquid BBL is a different, non-surgical procedure. It uses injectable filler instead of liposuction and fat transfer, so there is no fat to graft and no surgical drainage, but it carries its own risks, including infection. At InjectCo, a liquid BBL uses hyperdilute Radiesse.
A liquid BBL is an off-label use of Radiesse. Radiesse is not FDA approved for the buttocks or hips, and the FDA recommends against using dermal fillers to increase the size of the buttocks. Your clinician explains this, the risks and your alternatives before you decide.
Medically reviewed by Dr. Josh Allen, D.O., Medical Director, October 23, 2026
Learn more about non-surgical liquid BBL, read is liquid BBL safe for its risks, or compare the two procedures in BBL vs non-surgical BBL.
Learn how liquid BBL differs from surgery.
A fully healed BBL isn’t expected to smell. The causes of BBL odor are tied to recovery, so a new or lasting odor years later is not normal and should be checked by a doctor.
It can happen, but it isn’t universal. A surgeon interviewed by the American Society of Plastic Surgeons says it is not a common or expected outcome with sterile technique and proper aftercare.
There’s no published day-by-day timeline. Mild recovery odor should fade as drainage stops and you heal. Odor that worsens or doesn’t improve needs your surgeon’s attention.
Causes include bacterial overgrowth under compression garments, hygiene challenges during recovery, and, less often, infection or fat necrosis.
It can be. A strong or rotten smell with fever, redness, pus, or worsening pain may signal infection or fat necrosis. Contact your surgeon promptly.
Mild recovery odor usually improves as you heal, with regular garment changes and good hygiene. A strong, worsening, or late odor won’t simply resolve without care and should be checked by a doctor.
A healed BBL isn’t expected to smell. Mild odor during recovery is usually tied to drainage, garments, and hygiene, and it should fade as you heal. A strong, rotten, or late odor is a reason to call your surgeon, not to wait it out.
If you’re weighing your options for buttock enhancement, an InjectCo nurse can walk you through what a non-surgical liquid BBL involves, its risks and its off-label status.
Talk through risks before you decide.
