Skip to content

Cart

Your cart is empty

Merrion melasma program physician-supervised melasma treatment with laser therapy to fade facial pigmentation and even skin tone

Hormone‑Sensitive Pigmentation

Ready for a calmer, long‑term approach to melasma?

A gentle, long-term approach to managing patchy pigmentation while reducing flare-ups and rebound risk.

Book Complimentary Consultation

Melasma Treatment in Oakville

Melasma is a common pigmentation concern that causes patchy brown, grey-brown, or tan discoloration, most often on the cheeks, forehead, upper lip, and other sun-exposed areas of the face. It can be frustrating because it often fades and flares rather than disappearing completely, and it may become more noticeable with sun exposure, heat, hormonal changes, pregnancy, or skin irritation.

Many people describe melasma as stubborn or difficult to treat, especially when it overlaps with general hyperpigmentation, post-inflammatory marks, or uneven skin tone. Because melasma behaves differently from a simple dark spot, treatment needs to be thoughtful and consistent rather than overly aggressive.

A good plan usually starts with understanding the pattern of pigment, the triggers that may be maintaining it, and how sensitive the skin barrier is. This page provides an introduction to melasma, including how it appears, which areas are commonly affected, and the treatment options that may help improve discoloration while supporting healthier, more even-looking skin over time.

What Causes Melasma?

Melasma is a common pigmentation concern that usually appears as patchy darkening on the face. It often has more than one contributing factor, which is why it can become more noticeable or flare up over time.

Icons 1

Hormonal changes

Hormonal shifts are one of the most recognised causes of melasma, which is why it may appear during pregnancy or at other times of hormonal change. Melasma on face often shows up as patchy darkening on the cheeks, forehead, upper lip, or nose, although not everyone with hormonal changes develops it.

Icons 2

Sun and UV exposure

Sunlight is a major factor in what causes melasma because UV exposure can stimulate pigment production and make existing patches look darker or more persistent. This may make melasma on face more noticeable over time, especially in areas that receive regular sun exposure, but patterns can still vary from person to person.

Icons 3

A genetic or skin-type tendency

Some people seem more prone to melasma than others, particularly if their skin is more pigment-responsive or there is a family tendency toward facial pigmentation. In these cases, melasma causes may be less about one single trigger and more about an underlying tendency that shows up when other factors are present.

Icons 4

Heat and ongoing trigger exposure

Heat and repeated environmental trigger exposure can also make melasma more noticeable in some people, even without direct sunlight alone. This is one reason melasma flare ups can happen over time. It often shows up as recurring patchy darkening on the face, though the severity and pattern are not the same for everyone.

Icons 5

Irritation or hormone-related triggers in some people

In some individuals, skin irritation, sensitising products, or hormone-related medications can contribute to melasma or make it more noticeable. This does not mean every case has the same cause, but it can help explain why melasma on the forehead, upper lip, or nose sometimes appears or worsens without one obvious reason.

Common Areas Affected

Cheeks (diffuse patchy pigment)

Cheeks are one of the most common areas for melasma, often appearing as broader “fields” of pigmentation rather than individual spots. A thoughtful treatment plan focuses on calming the skin, supporting barrier health, and gradually improving brightness to reduce visible contrast.

Forehead & temples

Forehead melasma can be triggered by sun exposure and heat, and it often shifts subtly over time. In clinic, we prioritise gentle, low‑inflammatory strategies and reinforce daily protection—because consistency is what helps keep melasma stable.

Upper lip (“moustache shadow”)

Upper‑lip melasma is common and can feel especially noticeable in everyday life. This region tends to be sensitive, so treatment needs to be measured and well‑supported with appropriate home care to minimise irritation and rebound pigment.

Jawline & lower face

For some patients, melasma extends to the jawline or chin—especially when there’s a hormonal component. When this happens, we take a whole‑face view and build a plan that supports even tone while protecting the skin’s resilience over time.

Expert Landscape 2000 x 1400 Dr Kate

MB BCh BAO, MICGP, CFPC, Family Medicine

Dr. Kate Healy

“Melasma is a long‑term condition, so our goal is control and stability—not aggressive over‑treatment. When we respect the skin’s limits and work gently, we can achieve meaningful, lasting improvement.”

Book Complimentary Consultation

Melasma FAQs

Ready to feel confident in your skin again?

Melasma can be stubborn and is often influenced by sun exposure, heat, hormones, and skin irritation. A consultation can help identify your pigmentation pattern and guide treatment options that respect both the skin and the condition.