How to Deal with Uneven Skin Tone and Dark Spots
Uneven skin tone can affect confidence and even what people choose to wear, from sleeveless tops to shorts. It is also one of the most common reasons people visit a dermatologist, especially people with medium to dark skin tones. The first thing to know is that “uneven skin tone” is not one condition. Dark spots after acne, sun spots, melasma and pale patches all look different, have different causes and respond to different treatments. Getting the cause right is most of the work.
The main causes of dark spots and patches
Post-inflammatory hyperpigmentation
This is the medical name for the dark marks that remain after the skin has been inflamed or injured. The American Academy of Dermatology explains that these dark spots often appear when a pimple or patch of psoriasis clears, when a cut, burn or insect bite heals, when a skin or hair care product irritates the skin, with certain medicines, or with hormonal changes such as pregnancy. It is especially common in people with darker skin, whose skin responds to irritation by making extra melanin.
Sun spots (age spots)
Flat brown spots on the face, hands, shoulders and arms, the areas that get the most sun. The AAD notes that age spots appear where the sun’s rays often hit, and that other spots become more common with age too, including seborrhoeic keratoses, actinic keratoses and skin cancer. That is why any new spot deserves a proper look before you try to fade it.
Melasma
Melasma causes tan, brown or greyish patches, usually on the cheeks, forehead, chin and above the upper lip, often on both sides of the face. According to the AAD it is most common in women, particularly those with medium to dark skin tones, and often starts during pregnancy or when starting hormonal contraception. Sunlight makes it worse; many people notice it darkens in summer and fades in winter. It is not cancer and not a sign of cancer.
Pale or white patches
Uneven tone is not always about dark spots. Patches that lose colour can be caused by vitiligo, a long-term condition in which the skin stops producing pigment in some areas, or by other skin conditions. These need a diagnosis rather than a brightening product.
Step one: stop the trigger
The AAD makes a point that saves a lot of money: if you can eliminate the cause, many spots clear on their own, and new ones stop appearing. In practice this means:
- Treat the underlying skin condition. If acne, eczema or psoriasis keeps flaring, each flare leaves new marks. Controlling it comes first.
- Switch to gentler products. If a skin or hair product is irritating your skin, look for ones labelled for sensitive skin or fragrance free.
- Do not pick or scrub. Squeezing spots and aggressive exfoliation cause more inflammation and more marks, particularly on darker skin.
- Never stop a prescribed medicine on your own because you suspect it is causing dark patches. Ask the prescriber whether discolouration is a known side effect and whether an alternative exists.
Patience is part of the plan. The AAD notes that a spot a few shades darker than your natural skin colour usually fades within 6 to 12 months once its cause has stopped. Deeper discolouration can take much longer.
Step two: protect from the sun, every day
Sunlight tells the skin to make more pigment. That darkens existing spots and causes new ones, and it is the main reason melasma comes back after treatment. The AAD recommends a broad-spectrum sunscreen of SPF 30 or higher throughout the day, a wide-brimmed hat and shade. The AAD sunscreen guidance adds that a tinted broad-spectrum sunscreen also helps protect against visible light. Without sun protection, any other treatment is working against the tide.
Step three: treatments that can help
| Option | What to know |
|---|---|
| Retinoids | Retinol is used to improve uneven tone and pigmentation, according to the AAD guide to retinoids. Start slowly, as irritation can itself cause dark marks. Not for use in pregnancy. |
| Hydroquinone | A common prescription treatment for melasma. The AAD notes it is no longer available without a prescription in the United States, and it is prescription only in many other countries. |
| Triple combination cream | Tretinoin, a mild corticosteroid and hydroquinone together, prescribed by a dermatologist for melasma. |
| Gentler options | Azelaic acid, kojic acid and vitamin C may be suggested when stronger creams irritate. |
| Procedures | Chemical peels, laser treatment and cryotherapy can work faster on some spots, but cost more and carry a higher risk of side effects, according to the AAD. |
Creams take discipline: the AAD notes they usually need to be applied once or twice a day for weeks or months before results show. Melasma can be improved but not cured, and it often returns without ongoing sun protection. For more on in-clinic options, see our overview of skin rejuvenation.
Be careful with skin-lightening products
Products sold online or in markets to lighten skin can contain undeclared ingredients. The World Health Organization warns that mercury-containing skin-lightening products are hazardous to health and have been banned in many countries. If a product promises dramatic whitening, has no clear ingredient list or comes from an unknown seller, avoid it.
When to see a doctor
The AAD recommends seeing a dermatologist before treating age spots yourself, because using a fading cream on a skin cancer can give it time to grow. See a doctor promptly for any spot that is new, changing in size, shape or colour, has an irregular border, bleeds or does not heal; the NHS guide to melanoma explains the warning signs. Also book an appointment for pale patches that are spreading, for discolouration that appeared after starting a new medicine, or for darker areas of skin that come with extreme tiredness, loss of appetite or weight loss, which can be a sign of a hormonal condition such as Addison’s disease.
This article is general information, not medical advice; consult a doctor or dermatologist before treating any skin discolouration.
