Could your skin be the first warning sign that something is wrong with your health? Diabetic discoloration (diabetic spots) is one of the most obvious symptoms of metabolic problems associated with diabetes. These dark spots and pigmentation changes not only affect the appearance of the skin but also indicate that processes are occurring in the body that should be monitored. How do they form, why do they appear, and above all, how can you deal with them?
Key information:
Diabetic hyperpigmentation, also known as diabetes-related hyperpigmentation, is the result of complex metabolic, inflammatory, and cellular damage processes occurring in the bodies of people with diabetes. Their development is the result of numerous internal and external factors, and their mechanism is related to both microcirculation disorders and the effects of toxic metabolic waste products. Here's a detailed explanation of how these hyperpigmentation forms.
Prolonged high blood glucose levels lead to damage to small blood vessels, resulting in reduced blood flow to the skin. This limited supply of oxygen and nutrients to skin cells results in:
Additionally, diabetic neuropathy, or nerve damage, disrupts communication between skin cells and the nervous system, which also affects the pigmentation process.
Advanced glycation end products (AGEs) are formed as a result of prolonged high blood sugar levels. These toxic compounds:
The chronic inflammation associated with diabetes increases the activity of enzymes responsible for melanin synthesis, such as tyrosinase. As a result:
Inflammation can also be the result of minor skin injuries, which heal much slower in diabetic patients, contributing to the development of hyperpigmentation post-inflammatory. You can read more about this in the article: Post-inflammatory hyperpigmentation – causes, how to remove them?
Diabetes affects the body's hormonal balance, which can further activate melanocytes to overproduce melanin. These changes are particularly noticeable in diabetic women who experience hormonal fluctuations during pregnancy, menopause, or when using hormonal contraception.
Diabetic hyperpigmentation can appear on various areas of the body, and its location is often related to mechanical skin trauma, poor blood flow, or high glucose levels. Typical locations include:
Characteristic: The patches are light to dark brown in color, have sharp edges, and do not cause any discomfort—they do not itch, hurt, or peel. They are more common in patients with long-term diabetes (over 10 years) and poor glycemic control.
Diagnostics: Diagnosis is based on clinical examination and a diabetic history. It should be differentiated from varicose veins, post-traumatic lesions, or melanoma. It is crucial to measure HbA1c levels and assess diabetes control.
Treatment: Optimal glycemic control (HbA1c < 7%) and blood pressure are essential. Local treatments include tretinone creams, chemical peels, or laser therapy. Spots rarely disappear completely but may fade with good metabolic control.
Care: Wash your feet daily with a mild soap, moisturize with cream (avoiding the spaces between your toes), regularly inspect your feet, and protect them from injuries and sun exposure (SPF 30+). Regular diabetes checkups every 3-6 months are essential.
Prognosis: The spots are not life-threatening, but they signal the progression of vascular complications of diabetes. They are an indication for intensified treatment and more frequent medical checkups.
Not every diabetic patient experiences skin discoloration. Factors that increase the risk of developing it include:
Prevention is key to minimizing the risk of discoloration. Here are a few tips:
Not every skin spot is the same – freckles and discoloration, while they may look similar at first glance, have completely different stories behind them. How do they differ and how can you effectively deal with them? Read everything you need to know to enjoy healthy and radiant skin: Freckles and discolorations – what are the differences and how to deal with them?
Diabetic hyperpigmentation and freckles differ in their causes, appearance and location.
If you are struggling with diabetic discoloration, choose effective solutions. Alpha-arbutin serum from Rue De Skin is a product that stands out for its effectiveness in reducing discoloration. Alpha-arbutin This ingredient gently yet effectively brightens pigmentation without irritating the skin. Combined with proper care and sun protection, this serum can significantly improve the appearance of your skin. Choose professional care with our line. Advanced, that cares for the beauty and health of your skin!
Diabetic hyperpigmentation is more than just a matter of aesthetics—it's a story your skin tells about your health. Their development is closely linked to the processes occurring in the bodies of people with diabetes, so treating and preventing them requires a comprehensive approach. Controlling blood sugar levels, proper skin care, and professional support can significantly improve your skin's appearance and quality of life. Remember, your skin deserves attention and care—not only for its beauty, but above all, for its health.
These are usually light brown or dark, oval spots with a smooth or slightly thickened surface that do not itch or hurt.
They do not pose a direct threat to health, but are a warning signal about progressive vascular complications and poor diabetes control.
They rarely disappear on their own, but with stable blood sugar levels and proper care, they can fade significantly and become less visible.
Treatment is mainly based on balancing glucose levels and the use of brightening cosmetics (e.g. with alpha-arbutin) or professional laser treatments.
Strict diabetes control should be combined with intensive moisturizing, the use of high SPF filters and specialized preparations.
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