Melasma is a common pigmentation condition that causes brown, grey-brown or uneven patches on the face. It most frequently appears on the cheeks, forehead, upper lip, nose and chin. Although it is harmless, the recurring pigmentation can affect confidence and become frustrating, particularly when it returns after appearing to improve.
Melasma is a chronic and often relapsing condition. Treatment may lighten the patches, but ongoing management is usually necessary because sunlight, heat, hormonal changes and other triggers can reactivate pigment-producing cells.
Understanding why melasma returns is an important part of managing it effectively.
What Is Melasma?
Melasma develops when melanocytes—the cells responsible for producing skin pigment—become overactive and produce excess melanin in certain areas.
It is more common among women, although men can also develop it. People with medium to deeper skin tones may be more susceptible because their melanocytes naturally produce more pigment.
Melasma generally appears symmetrically on both sides of the face. It is commonly classified according to where the pigment is located:
- Epidermal melasma: Pigment is mainly present in the upper layer of the skin.
- Dermal melasma: Pigment is located deeper within the skin.
- Mixed melasma: Pigment is present in both superficial and deeper layers.
The depth and pattern of pigmentation can influence how it responds to treatment.
What Does Melasma Look Like?
Melasma usually presents as flat areas of discolouration rather than raised or textured patches. Common signs include:
- Brown or greyish-brown patches
- Symmetrical pigmentation on both sides of the face
- Uneven skin tone
- Patches becoming darker after sun exposure
- Pigmentation worsening during pregnancy or hormonal changes
Melasma typically does not cause pain, itching or physical discomfort. A professional skin assessment is important because freckles, sunspots and post-inflammatory pigmentation can sometimes look similar.
Why Does Melasma Keep Returning?
1. Sunlight Reactivates Pigment Production
Sunlight is one of the most significant triggers for melasma. Ultraviolet radiation stimulates melanocytes to produce more pigment. Even a short period of unprotected exposure can darken existing patches.
UVA rays can pass through windows, which means pigmentation may also be affected while driving or sitting near a window.
2. Visible Light Can Affect Pigmentation
Visible light, including intense daylight, may contribute to melasma, especially in people with deeper skin tones. This is why sunscreen protection based only on ultraviolet coverage may not always be enough.
A dermatologist or qualified skin professional may recommend a tinted sunscreen containing iron oxides for additional protection against visible light.
3. Heat May Worsen Melasma
Heat can contribute to inflammation and increased activity in pigment-producing cells. Common sources include:
- Hot outdoor weather
- Cooking near high heat
- Saunas and steam rooms
- Hot yoga
- Frequent exposure to heated work environments
This may explain why some people notice worsening pigmentation even when they regularly use sunscreen.
4. Hormonal Changes
Melasma is strongly associated with hormonal changes. It commonly develops or worsens during:
- Pregnancy
- Use of hormonal contraceptives
- Hormone-replacement therapy
- Other periods of hormonal fluctuation
Melasma occurring during pregnancy is sometimes called the “mask of pregnancy.” It may fade after delivery, but it can also persist or return with sun exposure.
5. Stopping Treatment Too Soon
Melasma treatment usually requires patience. Pigmentation may gradually lighten, but stopping the prescribed skincare routine immediately after improvement can allow it to return.
A maintenance plan may be needed to keep melanocyte activity under control and reduce the likelihood of rapid recurrence.
6. Skin Irritation
Harsh scrubs, inappropriate chemical products and aggressive cosmetic procedures can irritate the skin. Inflammation may stimulate additional pigment production, particularly in darker skin tones.
This is known as post-inflammatory hyperpigmentation and can make existing melasma appear worse.
7. Using the Wrong Products
Strong lightening creams or unregulated combination products may initially appear to provide fast results. However, prolonged or incorrect use can cause:
- Skin irritation
- Sensitivity
- Uneven pigmentation
- Skin thinning
- Acne-like eruptions
- Rebound darkening
Pigmentation treatment should be selected according to the person’s skin type and supervised by a qualified professional.
8. Genetic Susceptibility
People with a family history of melasma may be more likely to develop it. Genetic susceptibility cannot be changed, but known triggers can be managed.
Is Melasma the Same as Other Pigmentation?
No. Not every dark patch on the face is melasma. Similar-looking pigmentation can result from:
- Acne marks
- Sunspots
- Freckles
- Irritation caused by skincare products
- Medication-related pigmentation
- Hormonal or metabolic conditions
- Post-inflammatory hyperpigmentation
- Certain skin disorders
An accurate diagnosis is important because the treatment suitable for one type of pigmentation may not be appropriate for another.
How Is Melasma Diagnosed?
Melasma is usually diagnosed through an examination of the skin and a discussion about possible triggers, including pregnancy, hormonal medication, sun exposure and previous treatments.
A skin specialist may examine:
- The distribution and colour of the patches
- The patient’s skin type
- The approximate depth of the pigment
- Signs of irritation or another skin condition
- Previous treatment responses
In selected cases, specialised light examination or dermoscopy may be used to study the pigmentation more closely.
How Can Melasma Be Managed?
Melasma management generally combines sun protection, topical treatment, professional procedures and long-term maintenance. No single treatment works equally well for everyone.
Daily Sun Protection
Sun protection is the foundation of melasma management. Without it, pigmentation may return even after a successful procedure.
Helpful measures include:
- Using a broad-spectrum sunscreen every day
- Choosing adequate UVA and UVB protection
- Applying enough sunscreen to cover the face and neck
- Reapplying when outdoors, sweating or exposed for extended periods
- Wearing a wide-brimmed hat
- Seeking shade during intense sunlight
- Using an umbrella or other physical protection
Sunscreen should be used even on cloudy days and when spending significant time near windows.
Prescription Topical Treatments
A skin professional may recommend topical ingredients that reduce pigment production, increase skin-cell turnover or control inflammation.
Depending on the patient, these may include:
- Hydroquinone
- Azelaic acid
- Retinoids
- Kojic acid
- Tranexamic acid
- Vitamin C
- Cysteamine
- Combination creams
These products can cause irritation when used incorrectly. The choice, strength and duration should therefore be professionally guided.
Chemical Peels
Superficial chemical peels may help remove pigmented cells from the skin’s upper layers and improve uneven tone. Glycolic acid, salicylic acid and other peeling agents may be considered based on the patient’s skin.
Peels should be performed carefully because overly aggressive treatment can cause inflammation and worsen pigmentation.
Laser and Energy-Based Treatments
Selected lasers and light-based treatments may be considered when topical management does not provide sufficient improvement. However, melasma can react unpredictably to heat and energy.
Inappropriate or aggressive laser treatment may cause rebound pigmentation or post-inflammatory hyperpigmentation. Laser treatment should therefore be recommended only after evaluating the pigmentation depth, skin tone and previous response to treatment. DermNet
Medi-Facials and Supportive Treatments
Professionally selected medi-facials may support skin hydration, gentle exfoliation and overall skin tone. However, a facial alone may not control the underlying pigment activity.
These treatments are generally most useful when included within a structured melasma-management plan.
How Long Does Melasma Treatment Take?
Melasma does not usually disappear after one session or a few days of using a cream. Visible improvement may take several weeks or months, depending on:
- Depth of the pigmentation
- Duration of the condition
- Skin type
- Hormonal influences
- Sun and heat exposure
- Treatment consistency
- Previous skin irritation
The aim of treatment is often to lighten the pigmentation, control triggers and maintain the improvement rather than promise a permanent cure.
Can Melasma Be Completely Cured?
Melasma may improve significantly, but it is often a long-term condition with a tendency to return. Even when the patches become barely visible, pigment-producing cells may remain sensitive to sunlight, heat and hormonal changes.
Maintenance skincare and consistent sun protection are important after the initial treatment period.
The British Association of Dermatologists describes melasma as a common pigmentation condition influenced by factors including pregnancy and hormonal medicines. British Association of Dermatologists
Everyday Habits That May Help Prevent Recurrence
To reduce the likelihood of melasma returning:
- Use sunscreen consistently
- Reapply sunscreen when necessary
- Wear hats or use umbrellas outdoors
- Avoid unnecessary exposure to intense heat
- Use gentle, non-irritating skincare products
- Do not scrub or peel the pigmented areas
- Avoid using unprescribed bleaching creams
- Follow the recommended maintenance routine
- Inform the treating professional about hormonal medicines
- Attend follow-up appointments when advised
Consistency is generally more valuable than frequently switching between strong treatments.
When Should You Seek Professional Advice?
Consider a professional skin consultation if:
- Facial pigmentation is spreading or becoming darker
- You are unsure whether the patches are melasma
- Over-the-counter products are causing irritation
- Pigmentation returns after every treatment
- You are pregnant or breastfeeding and need safe skincare guidance
- Previous peels or lasers made the pigmentation worse
- The patches are affecting your confidence
- The pigmentation changes in appearance or develops symptoms
Early assessment can help identify the type of pigmentation and avoid treatments that may aggravate it.
Conclusion
Melasma frequently returns because the pigment-producing cells remain sensitive to sunlight, visible light, heat, hormonal changes and inflammation. Effective management usually requires a personalised combination of daily protection, appropriate skincare, professional procedures and ongoing maintenance.
For a personalised evaluation and melasma-management plan, contact:
DyuSculpt Aesthetic Clinic
Inland Business Park, 4th Floor
Bejai Main Road, Mangaluru – 575004
Phone: 088914 00489
Email: contact@dyusculpt.com
Website: www.dyusculpt.com
This article is intended for general awareness and should not replace consultation with a qualified medical professional.