Hyperpigmentation and Dark Spots: Causes and Treatment Options

by Maroa Noa · 20 Jul 2026

A Pharmily guide to understanding uneven skin tone and how to address it safely

Dark spots, patches, and uneven skin tone are some of the most common skin concerns in Kenya. There are several different reasons this happens, and figuring out what's actually behind it makes a big difference in choosing a treatment that actually works, instead of wasting time and money on the wrong approach.

What Is Hyperpigmentation?

Hyperpigmentation just means areas of skin that look darker than the skin around them. It happens because your skin is making extra melanin, the natural pigment that gives skin its color. It can show up as small spots, larger patches, or wider areas of discoloration. It can happen to any skin tone, but it tends to be more noticeable and stick around longer on deeper skin tones.

What Causes It?

Post-Inflammatory Hyperpigmentation (PIH)

This happens after your skin has been through some kind of irritation or injury, like acne, an eczema flare, a cut, a burn, or an insect bite. As your skin heals, it produces extra melanin, leaving a dark mark that can take months to fade on its own.

Melasma

This shows up as a patterned area of darker skin, often in a fairly symmetrical shape on the cheeks, forehead, upper lip, or chin. It's strongly linked to hormones (like pregnancy or hormonal contraceptives) and gets much worse with sun exposure. Melasma tends to be more stubborn and harder to treat than other types of dark spots.

Sunspots (Solar Lentigines)

These are flat, dark spots that build up over years of sun exposure, usually on the face, hands, and other areas that get a lot of sun.

Marks Left by Skin Conditions

Conditions like tinea versicolor can leave temporary color changes even after the infection itself has cleared up.

 

How Is It Treated?

Most treatments for dark spots work by slowing down melanin production, speeding up skin cell turnover, or gently exfoliating the pigmented cells away. Results take time, usually at least two to three months, and being consistent matters far more than using a stronger product.

Products You Can Use at Home

• Niacinamide: reduces how much pigment passes to skin cells and calms inflammation; gentle enough for most skin types
• Vitamin C: helps brighten skin and protect against further sun-related darkening
• Azelaic acid: helps with both dark spots and acne, and is gentle on sensitive skin
• Gentle acids (glycolic, lactic acid): exfoliate the surface to reveal more even-toned skin
• Retinoids: speed up skin cell turnover, gradually fading dark spots over time
• Hydroquinone: a stronger skin-lightening ingredient, usually only available at higher strengths with a prescription, and meant to be used for a limited time under professional guidance

Treatments From a Professional

For stubborn dark spots, especially melasma, a dermatologist might suggest chemical peels, microneedling, or laser treatment. These need to be approached carefully on deeper skin tones, since overly aggressive treatments can actually cause more dark spots instead of fixing them. Always have these done by someone experienced in treating a range of skin tones.

Sunscreen Is the Most Important Step

No treatment for dark spots works well without daily sun protection. Sunlight directly triggers your skin to make more melanin, and it can undo months of progress in a short time.

• Wear a broad-spectrum sunscreen every day, no matter your skin tone or the weather
• Reapply every few hours if you're outside for a long time
• Consider a hat or staying in the shade during peak sun hours, especially given how strong the sun is here in Kenya, year-round

Things to Avoid

• Picking or scratching existing marks, this can make dark spots worse and last longer
• Unregulated skin-lightening products, some contain unsafe levels of steroids or mercury and can seriously damage your skin
• Using too many active ingredients at once, this can irritate your skin and make pigmentation worse instead of better
• Expecting quick results, most proper treatments take months of steady use

When Should You See a Pharmacist or Doctor?

• Dark spots aren't improving after three to four months of consistent, appropriate treatment
• You think you might have melasma and want advice on safe, effective options
• You're considering something stronger, like hydroquinone, peels, or laser treatment
• A dark spot changes in size, shape, or color, or just looks unusual, always worth getting checked to rule out anything else

At Pharmily, our pharmacists can help figure out what's likely causing your dark spots and recommend a treatment that fits your skin type and the kind of pigmentation you're dealing with.

Quick Recap

• There are several different causes of dark spots, and treatment should match the cause
• Niacinamide, vitamin C, and azelaic acid are gentle, effective places to start
• Melasma is more stubborn and sun-sensitive than typical post-acne marks
• Daily sunscreen is essential, without it, no treatment will work as well as it should
• Unregulated skin-lightening products can cause serious harm and should be avoided

 

FAQs

Q: What's the difference between melasma and regular dark spots?
Melasma appears as symmetrical patches, often on the cheeks and forehead, and is strongly linked to hormones and sun exposure. Regular post-inflammatory marks are usually linked to a specific injury or breakout and are typically easier to treat.

Q: Can pregnancy cause permanent dark patches?
Pregnancy-related melasma often fades after childbirth, though it can persist in some cases and may need targeted treatment.

Q: How long before I see results from brightening ingredients like vitamin C or niacinamide?
Most people need at least two to three months of consistent use before noticing a real difference.

Q: Is hydroquinone safe to use?
It can be effective but is generally recommended for limited-time use under professional guidance, since prolonged use carries risks.

Q: Can a dark spot that changes shape be something more serious?
Yes, any spot that changes in size, shape, or color should be checked by a professional to rule out other causes.

 

This article is for general educational purposes and does not replace professional medical advice. Please consult a pharmacist or doctor for diagnosis and treatment tailored to your specific situation