What causes cellulite on thighs and bum

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Last updated: April 4, 2026

Quick Answer: Cellulite on the thighs and bum is caused by fat deposits pushing through the connective tissue beneath the skin. This creates a dimpled or "cottage cheese" appearance. Factors like genetics, hormones, age, and lifestyle can influence its development and severity.

Key Facts

What is Cellulite?

Cellulite is a common skin condition that causes lumpy, dimpled flesh on the thighs, buttocks, and abdomen. It's often described as having a "cottage cheese" or "orange peel" texture. While it's most prevalent in women, it can affect men as well, though less commonly. Cellulite is not a medical condition and does not pose any health risks, but many individuals seek ways to reduce its appearance due to cosmetic concerns.

Understanding the Causes of Cellulite on Thighs and Bum

The appearance of cellulite is primarily due to the way fat is distributed in the body and the structure of the connective tissues that lie beneath the skin. Here's a breakdown of the contributing factors:

Connective Tissue Structure:

In women, the connective tissue fibers (called septae) that run vertically from the muscle to the skin are arranged in a way that allows fat cells to bulge upwards more easily. These fibers can also become less flexible over time. In men, these connective tissues are arranged in a more criss-cross pattern, which tends to keep the fat layer more evenly distributed and less likely to protrude.

Fat Deposits:

When fat cells accumulate and enlarge, they push through the connective tissue. If these fat cells become too large, they can exert pressure on the overlying skin, creating the characteristic dimpling. The distribution of fat in the body is influenced by genetics and diet.

Genetics:

Your genes play a significant role in whether you develop cellulite and how severe it might be. If your parents or other close relatives have cellulite, you are more likely to develop it too. Certain genes may influence how your body stores fat, the structure of your connective tissue, and the efficiency of your metabolism, all of which can contribute to cellulite formation.

Hormones:

Hormones are believed to play a key role in cellulite development. Estrogen, the primary female sex hormone, appears to be particularly important. It's thought to influence the body's fat storage, the production of collagen (a protein that gives skin its structure and elasticity), and the health of connective tissues. Levels of estrogen fluctuate throughout a woman's life, which may explain why cellulite can change during puberty, pregnancy, and menopause. Other hormones, such as insulin, noradrenaline, thyroid hormones, and prolactin, may also play a part.

Age:

As we age, our skin naturally loses some of its elasticity and thickness. The connective tissues can also become less firm and flexible. This thinning and weakening of the skin and underlying tissues make the fat deposits more visible, leading to a more pronounced appearance of cellulite.

Lifestyle Factors:

While not the primary cause, certain lifestyle choices can contribute to or exacerbate cellulite:

It's important to remember that cellulite is a normal physiological condition and not a sign of poor health. While many treatments are marketed to reduce cellulite, their effectiveness varies, and it's often a combination of factors that contribute to its presence.

Sources

  1. Cellulite - WikipediaCC-BY-SA-4.0
  2. Cellulite - Symptoms and causes - Mayo Clinicfair-use
  3. Cellulite - NHSfair-use

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