Evidence
What the evidence shows
Melasma is better understood as a manageable chronic condition than a one-time problem to be fixed; sun protection is the single most important factor in keeping it under control.
New or worsening pigmentation?
See a dermatologist for diagnosis and treatmentPigmentation is fading?
Maintain daily sun protectionPrevents recurrence.Pigmentation returns?
Consult your dermatologist about maintenance treatment
Use this section to decide
Does this advice apply to me?
Find the concern or goal closest to yours, then use the fit signal to decide how much weight to give this guide.If your goal is
CurableDepends- Fit signal
- Possible fit
No
If your goal is
ManageableUsually relevant- Fit signal
- Often useful
Yes
If your goal is
Key factorUsually relevant- Fit signal
- Often useful
Sun protection
If your goal is
RecurrenceDepends- Fit signal
- Possible fit
Common
Practical use
How to use it
Protect from sun daily
Use broad-spectrum sunscreen, hats, and shade.
Follow a treatment plan
Work with a dermatologist on topical or procedural options.
Manage expectations
Focus on control and maintenance rather than permanent elimination.
Safety
Side effects and cautions
- Expecting a permanent cure
Melasma is often managed rather than cured, and recurrence is common.
- Skipping sunscreen on cloudy days
UV penetrates clouds and contributes to melasma.
- Stopping treatment once pigmentation fades
Ongoing sun protection and sometimes maintenance treatment are needed.
Fit
Who should be careful
- Those expecting a permanent cure
Worth noting
Small details that can change the answer
- Chronic. Melasma is often a chronic condition that is managed rather than cured.
- Sun Protection. Daily broad-spectrum sunscreen is the most important management step.
- Triggers. UV exposure, hormones, and genetics all contribute.
- Treatment. Topicals and procedures can reduce pigmentation.
Melasma cannot be guaranteed to go away permanently.
It can fade significantly with treatment.
Recurrence is common, especially with sun exposure.
Daily sun protection is the most important management step.
For many, melasma is a chronic condition that is controlled rather than cured.
Definition
What melasma is
Melasma is a common pigmentation disorder characterized by brown or gray-brown patches on the face. It is associated with sun exposure, hormonal changes, and genetic predisposition, and it is more common in women and people with darker skin tones.
Science
Why melasma is stubborn
Melasma involves overactive pigment-producing cells and increased blood vessel formation in the affected skin. UV and visible light can stimulate these cells, which is why sun protection is central to management. Hormonal factors, particularly estrogen, also play a role.
- Melanocytes
- Pigment-producing cells in the skin that are overactive in melasma.
- Visible light
- Light beyond UV that can also worsen melasma, which is why tinted sunscreens are often recommended.
Avoid
Triggers to manage
UV and visible light worsen and maintain melasma.
Pregnancy and hormonal contraceptives can contribute.
UV penetrates clouds and contributes to pigmentation.
Results Timeline
What treatment looks like
- 1Weeks 4-8
Early fading may begin with topical treatment.
- 2Months 2-4
More noticeable improvement with consistent treatment and sun protection.
- 3Months 6+
Ongoing management to maintain results and prevent recurrence.
Questions
Frequently asked questions
Can melasma disappear on its own?
It can fade, particularly after pregnancy, but it often returns without ongoing sun protection.
What is the most important treatment for melasma?
Daily broad-spectrum sun protection is the foundation of any melasma treatment plan.
Does melasma come back after treatment?
Recurrence is common, especially with continued sun exposure.
Can melasma be cured?
It is generally managed rather than cured; treatment can reduce pigmentation, but maintenance is usually needed.
