melasma-hyperpigmentation

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작성자 Margery 작성일 26-08-01 14:56 조회 3 댓글 0

POSTED: 11 Jul 2025

Hyperpigmentation is one of the most common skin concerns, yet it is also one of the most misunderstood. Dark patches on the skin often get grouped together online and in everyday conversation, which is why many people assume they have the same condition when in reality the causes can be very different. The most common forms, melasma, sun damage and post-inflammatory hyperpigmentation (PIH), can look similar at first glance. However, they behave differently and may need different approaches. Failing to understand this can sometimes lead to the wrong treatment, which is frustrating and can even make things worse. In this article, we take a deep dive into the differences between melasma and other forms of hyperpigmentation and how this affects treatment options.

refers to areas of skin that appear darker than the surrounding skin because of increased or uneven melanin production. Although it is often spoken about as a single issue, hyperpigmentation can behave very depending on what has triggered it and . Some forms fade gradually, and some are prone to relapse even with good skincare routines. In practice, most people’s hyperpigmentation falls into three main categories. These are melasma, post-inflammatory hyperpigmentation (PIH) and sun-related pigmentation such as . Each of these has its own triggers, appearance and . Knowing these differences matters because it can lead to a more effective approach to treatment and .

is one of the most recognisable forms of hyperpigmentation, but it is also one of the most easily misinterpreted. Although anyone can get it, in people with medium to darker skin, and women are more at risk than men. Whilst its exact cause is unknown, it is strongly influenced by hormones, sunlight and heat. This is why it often appears during pregnancy and other periods of hormonal change and usually worsens in the hotter seasons. However, whilst sun exposure does trigger and worsen , it does not develop from UV damage alone. In general, melasma develops gradually, often fluctuates and can behave unpredictably compared with other forms of hyperpigmentation. Typical features of melasma include:

As a rough rule, melasma almost always has a soft, "smudged" quality rather than defined borders. This can help distinguish it from post-inflammatory hyperpigmentation and sunspots, which tend to have clearer outlines. The condition also relapses easily, so successful management relies on long-term maintenance.

refers to the dark areas of skin that appear after inflammation or injury. , , insect bites, burns, friction and even overuse of harsh skincare can leave behind these marks once the skin has settled. PIH can happen in any skin tone, although it tends to be more noticeable and persistent in medium to darker skin. Many people confuse PIH with or melasma because it can linger long after the original issue has resolved. In reality, PIH is simply the skin’s response to inflammation and tends to follow the exact outline of where the irritation occurred. Typical features of PIH include:

It’s worth noting that a related concern is , which shows up as . PIE is more common in skin tones and reflects temporary changes in blood vessels rather than excess melanin. The two can exist together, and this can affect treatment .

Sun damage slowly over years of repeated exposure to sunlight. As the skin accumulates UV and visible light over time, pigment-producing cells can become overactive in specific areas. This leads to flat brown marks known as . These are common with age and are often more noticeable in people who spend a lot of time outdoors or who have had inconsistent sun protection in the past. Sunspots are sometimes mistaken for melasma, but unlike they are not influenced by hormones and do not fluctuate in the same way. Typical features of sunspots include:

Sunspots often appear alongside other signs of solar ageing such as , rougher texture, or visible blood vessels. Their edges and predictable location usually help distinguish them from melasma or post-inflammatory hyperpigmentation. Because sunspots do not fluctuate or fade much without treatment, they tend to be more consistent in appearance once they develop. This is one of the simplest visual clues that you are dealing with pigmentation rather than hormonally driven or inflammation-related causes.

Although hyperpigmentation often looks similar on the surface, there are a few practical clues that can help distinguish melasma, PIH and sun damage. None are on their own, and many people have more than one type at the same time. However, looking at the overall pattern can give a sense of what you’re dealing with. The key differences between melasma and the other main forms of hyperpigmentation include:

Most hyperpigmentation is harmless and can be safely managed with consistent, gentle skincare. However, a professional opinion can be helpful if something doesn’t behave as expected or if you feel unsure about the best way to treat it. It’s to seek a review if you’re unsure what you’re dealing with or if your hyperpigmentation spreads quickly, deepens without a clear or shows irregular borders, asymmetry or unusual colours. Itching, bleeding, pain or persistent scaling are not typical of routine hyperpigmentation and should also be assessed. Likewise, new or changing lesions in areas of long-standing sun exposure are worth checking, particularly if you have a personal or family history of skin cancer.

Melasma, PIH and sunspots may look similar at first glance, but they behave very differently, and this is why them in the same way doesn’t always work. A clearer understanding of the pattern, colour and behaviour of your hyperpigmentation helps you choose skincare that is more likely to make a meaningful difference and avoids approaches that can worsen the problem. It also helps you identify the best ways to and prevent recurrence. As with most things in skincare, progress takes time, so add consistency and patience to your routine. If you’re unsure about the best approach or aren’t seeing progress, it’s worth seeking professional advice.

At City Skin Clinic, we are beyond passionate about personalised skincare. Our Acne & Oily Skin clinic offers safe and treatments. Where appropriate, our doctors use ingredients such as , and to treat skin conditions like , , and . Start your . The journey towards great skin starts here.