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How much weight loss causes loose skin, and what you can do about it

Oct 25, 2023
April 17, 2026
Medically reviewed by:
Dr Ivan Puah, Medical Director

When one experiences rapid weight loss of about 20kg or more, the chances of loose skin increases as the collagen fibres do not have time to adapt and recover.

weight loss

Table of Contents

Loose skin resulting from weight loss is common, with the extent varying from person to person based on factors such as the amount of weight lost and the speed of the weight loss. 

Typically, when an individual experiences a rapid weight loss of approximately 20 kg or more, the likelihood of loose skin increases.‍

How do you keep your skin tight when losing weight?

When you experience significant weight gain, your skin stretches to accommodate the added volume. 

This is why some individuals develop stretch marks on areas like the waist, shoulders, and inner thighs, especially when gaining or losing weight rapidly [1]

The concept is akin to the development of stretch marks on a pregnant woman's belly during the rapid expansion over the course of nine months. 

If weight is gained or lost gradually and consistently, there may be a lower likelihood of loose skin or stretch marks, since the skin's collagen fibres have time to adapt and recover [2].

However, if you've been overweight for an extended period, the skin may lose some of its elasticity, making it difficult to conform to the body's smaller contours, particularly around the abdomen, thighs, buttocks, armpits, and upper arms [3].

To minimise the visibility of loose skin, some people opt for loose-fitting clothing, as tighter garments can accentuate areas where it is more noticeable.

Read more on our weight loss articles for tips:

Can loose skin be prevented?

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Losing weight is a commendable goal, but it can be disheartening to put in all that effort and end up with loose skin. 

The impact on your self-confidence can be more significant than when you were carrying extra weight [4]

While loose skin may not pose health risks, it can indeed be a source of low self-esteem and body image concerns.

The key to successful weight loss lies in healthy and sustainable practices. 

Opt for a balanced, calorie-controlled diet and complement it with regular exercise, particularly resistance training. 

This combination is your best defence against developing loose skin.

Taking shortcuts like relying on weight loss pills, crash dieting, or engaging in unhealthy practices such as purging your meals is not only ineffective but can also jeopardise your well-being [5]

The goal is to achieve a slimmer, healthier body that you can feel good about in every way. 

How to improve loose skin after weight loss with Ultherapy Prime

UltRA+ Lift is a non-invasive skin rejuvenation and lifting procedure that combines the strengths of Calcium Hydroxyapatite (CaHA) filler and Ultherapy Prime® to achieve collagen reinforcement and tightening for those bothered by loose skin. 

Calcium Hydroxyapatite (CaHA) filler possesses a complex formula that acts as a scaffold to support the body's natural collagen-rebuilding process. 

In its highly diluted form, CaHA filler functions as a bio-stimulatory agent, leading to improved skin quality and increased skin firmness [6].

Combining this with Ultherapy Prime®, an FDA-approved non-invasive skin lifting procedure that employs micro-focused ultrasound with visualisation (MFU-V) to stimulate collagen fibres deep within the foundational layer of the skin. 

This helps lift and tighten the skin on the face, neck, and body.

UltRA+ Lift offers a balanced blend of innovation and efficacy, providing comprehensive solutions for patients.

Don't let loose skin spoil your weight loss celebration. 

Put the bounce back into the skin and your confidence today!

Contact Amaris B. Clinic Singapore today and schedule a body assessment and consultation with Dr Ivan Puah.

LEARN MORE ABOUT ULTRA+ LIFT

A dual-strategy approach to this problem, combining Ultherapy Prime & Calcium Hydroxyapatite (CaHA) filler to work at multiple depths simultaneously.

Reference