Melasma: Treatment, Causes & Prevention - Cleveland Clinic
2020年7月27日 · What causes melasma? There are two main causes of melasma: radiation, whether ultraviolet, visible light, or infrared (heat) light; and hormones. Ultraviolet and infrared radiation from the sun are key in making melasma worse.
Unmasking the causes and treatments of melasma - Harvard Health
2020年10月13日 · Melasma appears when these cells become hyperactive and produce too much pigment in certain areas of the skin. The mechanism is similar to what causes brown age spots and freckles, but melasma patches tend to be larger. Melasma is more common in women, but it can also affect men.
Causes of Melasma and How to Treat It - Verywell Health
2024年5月6日 · Melasma is a common skin pigmentation issue that causes dark, blotchy, and uneven skin tone on sun-exposed areas, chiefly on the face. Melasma symptoms are more common in women than in men and generally appear …
Melasma: Symptoms, Diagnosis, and Treatments - Healthline
2023年5月4日 · Melasma causes patches of skin that are a shade darker than your usual skin color. Melasma sometimes disappears on its own. If it doesn’t, treatments such as topical steroids,...
Melasma: Causes - American Academy of Dermatology
2022年2月15日 · What causes melasma? More research is needed to fully answer this question. Researchers have discovered that when someone has melasma, the cells that give skin its color (melanocytes) tend to be more active. Exactly why this happens isn’t well understood.
Melasma: Causes, symptoms, pictures & treatment - Medical News Today
2023年10月26日 · Melasma causes dark patches to appear on the skin. It is a pigmentation disorder that is more common in women. Learn about the symptoms, risk factors, and treatments.
Melasma: Overview - American Academy of Dermatology
2022年2月15日 · When melasma appears, it can cause tan, brown, grayish brown, or bluish gray patches and freckle-like spots. These usually appear on certain areas of face like the cheeks, forehead, chin, and even above the upper lip. While less common, melasma can develop on the arms, neck, or elsewhere.
Melasma (facial pigmentation) - DermNet
What causes melasma? The cause of melasma is complex; it has been proposed to be a photoageing disorder in genetically predisposed individuals. The pigmentation ultimately results from the overproduction of melanin by melanocytes ( pigment cells); either taken up by keratinocytes ( epidermal melanosis) and/or deposited in the dermis ( dermal ...
Everything You Need to Know About Melasma - WebMD
2024年7月12日 · Hormonal changes. Blue light from screens and electronic devices. Adrenal disorders (when your body doesn’t make enough cortisol hormone) Genetics – a family with freckles. Lack of vitamin D....
Melasma: Diagnosis and treatment - American Academy of Dermatology
2022年2月15日 · Melasma may go away on its own. This usually happens when a trigger, such as pregnancy or a medication, causes melasma. When you deliver your baby or stop taking the medication, melasma can fade. Melasma can also last for years, or even a lifetime. While melasma cannot harm your body, it’s understandable that many people want to treat it.