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Under-Eye Circles After Weight Loss: Why They Occur and How to Treat Them

Weight loss, especially if rapid, can accentuate under-eye circles and a 'hollow face' appearance due to decreased fat volume.

September 8, 2026
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Why does weight loss affect the under-eye area?

Weight loss, particularly when significant or rapid, can manifest in various ways on the face. One of the most common concerns is the appearance or accentuation of under-eye circles and a general feeling of a 'hollow face'. This is due to the decrease in subcutaneous fat volume, which acts as natural support under the skin.

When this fatty tissue is reduced, the skin around the eyes, which is already very thin, becomes more translucent. This makes the underlying blood vessels more visible, creating the bluish or purplish tone characteristic of under-eye circles. Furthermore, volume loss can create a shadow in the under-eye hollow, giving a sunken or tired appearance.

This phenomenon is not limited to the periorbital area. A loss of projection in the cheekbones and temples can also be observed, contributing to premature facial aging or a gaunt appearance, even in young people who have lost weight healthily.

Medical assessment: the first step at Santé Clínica Estética

At Santé Clínica Estética, we understand that each patient is unique. Therefore, when concerned about under-eye circles and facial volume loss after weight reduction, the first step is always a thorough medical consultation. During this assessment, our board-certified doctors analyze the facial structure, skin quality, degree of volume loss, and the patient's expectations.

This initial consultation, which is free, allows us to determine the exact cause of the under-eye circles and whether they are related to weight loss or other factors such as genetics, lifestyle, or the natural aging process. This medical and personalized approach ensures that any proposed treatment is the most appropriate and safe for your particular case.

Medical treatments to restore volume and luminosity

Once the assessment is complete, our specialists may recommend different approaches to treat under-eye circles and facial volume loss. The goal is always to restore facial harmony and freshness with natural and subtle results.

Under-eye filler with hyaluronic acid

The most common and effective treatment for sunken under-eye circles is filling with hyaluronic acid. This biocompatible and reabsorbable material is precisely injected to replenish lost volume, smooth the under-eye hollow, and reduce skin transparency. Our doctors use ultrasound-guided injection technique when the patient's anatomy calls for it, a practice that minimizes risks and optimizes the safety of the procedure.

Characteristic Under-Eye Filler with Hyaluronic Acid
Main objective Replenish volume, soften hollow, reduce transparency
Material Hyaluronic acid (reabsorbable)
Results duration Approximately 9-12 months (results vary)
Price (approx.) 400 €

Polynucleotides for periorbital regeneration

Polynucleotides are another innovative option to improve the skin quality around the eyes. These biostimulating substances promote cell regeneration, hydration, and the production of collagen and elastin. Their application in the periorbital area helps strengthen thin skin, improve its elasticity, and reduce pigmentation, complementing the action of hyaluronic acid or as a standalone treatment for milder under-eye circles.

Combination of treatments for complete facial harmonization

Sometimes, volume loss is not limited to the under-eye area. Our doctors may suggest a combined approach that includes filling the cheekbones or temples with hyaluronic acid to restore overall facial structure. This integral approach seeks facial harmonization that returns a more rested and youthful appearance to the face, always respecting its natural features.

Proceso de tratamiento de ojeras en Santé Clínica Estética
Under-eye treatment process at Santé Clínica Estética

Key points

  • Weight loss can accentuate under-eye circles and a 'hollow face' appearance due to decreased facial fat.
  • Initial medical assessment is fundamental for an accurate diagnosis and a safe treatment plan.
  • Under-eye filler with hyaluronic acid is an effective treatment to restore lost volume.
  • Polynucleotides can improve the quality and elasticity of periorbital skin.
  • Results aim for naturalness, harmony, and a more rested appearance.
  • Care at Santé Clínica Estética is offered in Spanish, English, Portuguese, and Russian.
"The periorbital area is one of the first to show signs of fatigue or aging. By addressing volume loss medically and precisely, we can restore facial freshness without altering its natural expression." — Dr. Sol Monsalve, Medical Director of Santé Clínica Estética.

How Santé Clínica Estética approaches it

At Santé Clínica Estética, your well-being and the naturalness of the results are our priority. Our team of board-certified doctors, led by Dr. Sol Monsalve, will offer you a detailed medical assessment to understand your concerns and design a personalized protocol. During this aesthetic consultation, which is free, the most suitable treatment options for your under-eye circles and facial volume loss will be explained to you, always with full transparency regarding the procedure and prices.

We have the highest quality technology and products, and our professionals are trained in the most advanced techniques, including ultrasound-guided injection when deemed necessary for greater safety. We ensure that you feel supported and well-informed at every stage of the process, from your first visit to post-treatment follow-up.

We understand the importance of communication and therefore offer care in Spanish, English, Portuguese, and Russian, making it easy for every patient to express themselves comfortably. Our commitment is to offer you aesthetic medical solutions that enhance your natural beauty and restore your confidence.

Frequently asked questions

Are the results of under-eye filler permanent?

No, hyaluronic acid is a substance that is reabsorbed by the body. Results usually last between 9 and 12 months, although this may vary depending on each person's metabolism and the type of product used. To maintain the effect, maintenance sessions are recommended.

Is the under-eye filler treatment painful?

Most patients experience minimal discomfort during the procedure. A topical anesthetic cream is used before the injection, and many hyaluronic acid products already contain lidocaine, a local anesthetic, for greater comfort. Our doctors perform the technique with the utmost delicacy.

Can I go to work immediately after the treatment?

Yes, most patients can resume their daily activities immediately. There may be slight swelling, redness, or some small bruising at the injection site, which usually disappears within a few days. It is recommended to avoid intense exercise and direct sun exposure for the first 24-48 hours.

What should I do if I am not satisfied with the result?

At Santé Clínica Estética, we perform post-treatment follow-up to assess the results. If, for any reason, you are not satisfied, hyaluronic acid can be dissolved with an enzyme called hyaluronidase. This procedure, performed by our doctors, allows the effect to be reversed safely and controllably. The two-week follow-up is included at no extra cost.

Are under-eye treatments only for women?

No, not at all. More and more men are seeking treatments to improve the appearance of their under-eye circles and facial volume loss. Our treatments are designed to adapt to the anatomical characteristics of any gender, always seeking natural and harmonious results for each patient.

Generalitat de Catalunya - Departament de Salut - Direcció General d'Ordenació i Regulació SanitàriaFinanciado por la Unión Europea - NextGenerationEU, Gobierno de España, ENISA, Plan de Recuperación, Transformación y Resiliencia