Dark spots on the hands, arms, or other parts of the body are very common, especially with age or strong sunlight. Although they can be unsettling, they are usually harmless and easy to treat.
This article explains the causes of pigment spots, how to reduce their appearance and when it is advisable to consult a dermatologist.
What are dark spots?
Dark spots – also known as age spots, sun spots or hyperpigmentation – are small areas of skin that are darker than the surrounding skin. They can come in different shapes and sizes and usually show up in places that get a lot of sun, such as:
Hands
Forearms
Face
Shoulders
Upper back
These spots often develop slowly over a longer period of time and are more visible after years of sun exposure.
Common causes of dark spots
1. Exposure to sunlight
The most common cause is UV rays. When the skin gets too much sun, it produces more pigment (melanin) for protection – which can cause dark spots.
2. Natural aging
As we age, the skin becomes more sensitive to sunlight. As a result, dark spots appear more often, especially after the age of 40.
3. Hormonal changes
Hormones can also affect pigmentation. Some people notice dark spots during pregnancy, when taking certain medications, or due to a hormonal imbalance.
4. Skin inflammation
Any irritation or injury – such as a scratch, pimple or rash – can leave a darker spot after healing.
Are dark spots dangerous?
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