Skin Lightening Creams Compared: What Works for Melasma and Dark Spots

"Skin lightening cream" covers two very different things. One is medical treatment for hyperpigmentation: melasma, dark marks left by acne or injury, and sun spots. The other is lightening naturally dark skin, a cosmetic market where mercury, strong steroids and even permanent depigmenting drugs turn up in jars with no warning on the label.

This guide compares the creams and medicines used for the first purpose, using the trial data behind them, and explains the risks that come with the second. The numbers come from the FDA prescribing information for Tri-Luma, a Cochrane review, randomized trials and FDA safety actions, all listed at the end.

The short answer

For melasma, the best-studied cream is the triple combination of hydroquinone, tretinoin and a mild steroid (Tri-Luma in the US). In its two 8-week trials it cleared melasma in 38% and 13% of patients, more than any two-ingredient mix, but melasma usually comes back after stopping. Hydroquinone 4% alone and azelaic acid 20% are the main single-ingredient options, and a Cochrane review found no clear difference between them. Oral tranexamic acid is a newer, off-label option with good trial results that needs a doctor to check clotting risk. Whatever you use, daily sun protection decides whether results last. Avoid any product that lists mercury, anything sold to lighten your overall skin colour, steroid creams used for months on the face, and monobenzone unless a dermatologist is treating extensive vitiligo.

What these medicines treat

• Melasma: symmetrical brown or grey-brown patches, usually on the cheeks, forehead and upper lip, driven by hormones and sunlight. It is chronic and relapses easily.
• Post-inflammatory hyperpigmentation: dark marks left after acne, eczema, burns or injury, more common and longer-lasting in darker skin.
• Sun spots (solar lentigines): flat brown spots on sun-exposed skin.

Most of the trial evidence below is in melasma; the evidence for dark marks and sun spots is thinner. None of the medicines below is tested or approved to lighten normal skin, and several carry real risks when used that way.

The options compared

Treatment	Main use	Strength of evidence	Main risks
Triple cream: hydroquinone 4%, tretinoin 0.05%, fluocinolone 0.01% (Tri-Luma)	Short courses for moderate to severe melasma	Two FDA trials; Cochrane: more effective than hydroquinone alone	Redness, peeling, burning; steroid side effects with long use; ochronosis
Hydroquinone 2% to 4%	Melasma, dark marks	Long use and trials; 4% comparable to azelaic acid 20% in Cochrane, 2% less effective	Irritation; ochronosis with long use and high strength
Azelaic acid 20%	Melasma, dark marks, acne	Randomized trials; not clearly different from hydroquinone 4%	Stinging, itching
Tretinoin	Melasma, dark marks, sun damage	Small placebo-controlled trials	Irritation, sun sensitivity
Oral tranexamic acid (off-label)	Moderate to severe melasma	Randomized placebo-controlled trials and meta-analyses	Clotting risk in susceptible people
Kojic acid, arbutin, vitamin C, glycolic acid	Mild pigmentation	Smaller, lower-quality studies	Irritation

Triple combination cream: the best-studied option for melasma

Tri-Luma combines three drugs that work in different ways: hydroquinone blocks melanin production, tretinoin speeds up skin turnover, and fluocinolone acetonide, a mild steroid, calms inflammation and offsets irritation. The FDA approved it in January 2002 for the short-term treatment of moderate to severe melasma of the face, alongside sun avoidance and sunscreen. Drugs@FDA lists it as the only FDA-approved product containing hydroquinone.

Its approval rested on two 8-week trials in 641 adults with skin types I to IV. Each compared the triple cream with the three possible two-ingredient mixes in the same base. The outcome was complete clearing of melasma.

Cleared at 8 weeks	Triple cream	Hydroquinone + tretinoin	Steroid + hydroquinone	Steroid + tretinoin
Trial 1 (n=338)	38%	15%	4%	0%
Trial 2 (n=303)	13%	4%	1%	4%

Most patients improved, and many of those who did not fully clear moved from moderate or severe to mild. The limits are in the same label, and they matter:

• It is not approved for maintenance, and melasma usually recurs after stopping.
• In the open-label extension, remission periods appeared to shorten with each course, and only about 1% to 2% of patients kept complete clearing.
• It has not been studied in skin types V and VI, and the label says excessive bleaching in darker skin cannot be excluded.
• It is not tested for hyperpigmentation other than facial melasma.

A 2010 Cochrane review of 20 melasma trials found triple cream more effective than hydroquinone alone in a separate trial (risk ratio 1.58). Its comparison with the two-ingredient mixes rests on the same two Tri-Luma trials shown above.

How the triple cream is used

The label directions are a thin film once a day, at least 30 minutes before bedtime, on clean dry skin, covering each patch plus about half an inch of normal skin around it. Stop when the melasma is controlled. Use SPF 30 sunscreen and protective clothing during the day and avoid sun exposure. Tri-Luma is stored in a refrigerator.

In the trials, 63% of patients had at least one side effect judged to be treatment related, mostly mild to moderate:

Side effect (n=161)	Share
Redness (erythema)	41%
Peeling (desquamation)	38%
Burning	18%
Dryness	14%
Itching	11%
Acne	5%
Small visible blood vessels (telangiectasia)	3%

The label also warns that the steroid can be absorbed and suppress the body's own steroid hormones, that hydroquinone can cause ochronosis, and that the cream contains a sulfite that can trigger allergic reactions, including asthma attacks, in sensitive people.

Triple creams from India: same idea, stronger steroid, no trial data

Many triple creams sold in India, including Melacare, Skinlite, Skinshine and Eukroma Plus, pair hydroquinone and tretinoin with mometasone, a stronger steroid than the fluocinolone 0.01% in Tri-Luma. Clearz Max uses the same three ingredients as Tri-Luma. None of these products has the Tri-Luma trial data behind it.

The bigger problem is how they are used. In a study of 410 patients at an Indian dermatology clinic who had used steroid-containing creams on the face for at least 4 weeks, 30% had used steroid, hydroquinone and tretinoin creams. Only 10% had been advised by a dermatologist; 43% bought the cream over the counter themselves.

Who recommended the steroid cream (n=410)	Share
Bought it themselves over the counter	42.9%
Friends, family or neighbours	20.0%
A non-dermatologist practitioner	18.2%
A dermatologist	10.2%
A beautician	8.5%

Used for months on the face, steroid creams can thin the skin and cause acne-like eruptions, redness and visible blood vessels. Indian dermatologists describe the result as topical steroid damaged or dependent face, which is difficult to manage once it develops. The label for Tri-Luma lists skin atrophy, perioral dermatitis and acneiform eruptions among the reactions reported with topical steroids. Triple creams are for short, supervised courses, not a daily moisturiser.

Hydroquinone alone

Hydroquinone has been the standard single-ingredient lightener for decades. It is used at 2% to 4% for melasma and dark marks, usually for a few months at a time. In the Cochrane review, azelaic acid 20% was not significantly different from hydroquinone 4%.

In the US, over-the-counter hydroquinone ended with the CARES Act. The FDA says that OTC skin-lightening products containing hydroquinone are now new drugs that are misbranded unless approved, with a deadline of 23 September 2020 for their removal. In April 2022 it warned 12 companies that were still selling them, citing skin rashes, facial swelling and ochronosis. In the US it is now available only on prescription, and in the UK and EU it is not allowed in cosmetic skin creams. Our hydroquinone cream guide covers strengths, use and safety in detail.

Ochronosis: the risk of long use

Exogenous ochronosis is a blue-black or grey-blue darkening of the skin caused by hydroquinone, the opposite of what the user wanted, and it is hard to treat. A 2022 systematic review of 126 reported cases found it was most often reported in middle-aged women, people of African descent and skin types V and VI, and with hydroquinone concentrations above 4% or of unknown strength. The median duration of use was 5 years, and only 4 cases followed courses of 3 months or less.

The practical lessons: use prescribed strengths, use it in courses rather than indefinitely, and stop and see a doctor if treated areas start to look darker or bluish.

Azelaic acid 20%

Azelaic acid is used for acne and rosacea and also reduces pigmentation. It is often chosen when hydroquinone is not tolerated or for longer use. In the Cochrane review, azelaic acid 20% was more effective than hydroquinone 2% (risk ratio 1.25) and not significantly different from hydroquinone 4%. It can sting or itch at first. Our azelaic acid cream guide covers how to use it.

Tretinoin

Tretinoin on its own has modest evidence for melasma. In the Cochrane review, two placebo-controlled trials both found objective improvement with tretinoin, although patients rated themselves improved in only one. It is more useful as part of a combination and for dark marks and sun damage. It makes skin more sensitive to the sun and can irritate at first. Our guide to using tretinoin explains how to start it.

Oral tranexamic acid

Tranexamic acid is a tablet approved in the US to treat heavy menstrual bleeding. Dermatologists also use it off-label for melasma. In a randomized, placebo-controlled trial, 250 mg twice daily for 3 months with sunscreen reduced melasma severity scores by 49%, against 18% on placebo. Three months after stopping, the reduction was 26% against 19%, so much of the benefit faded.

Reduction in melasma severity (mMASI)	Tranexamic acid	Placebo
After 3 months of treatment	49%	18%
3 months after stopping	26%	19%

A 2021 meta-analysis of 24 trials found oral tranexamic acid added benefit when combined with routine treatment, while the topical and injected forms did not show clear superiority. The catch is safety: the US label contraindicates tranexamic acid in people with active clots, a history or intrinsic risk of thrombosis, and in women using combined hormonal contraception. That is why it needs a doctor, not a self-prescribed course.

Kojic acid, arbutin, vitamin C and glycolic acid

These ingredients appear in many creams sold for dark spots, including Biluma, Kojic Cream and Demelan. The evidence behind them is smaller and weaker than for hydroquinone, azelaic acid or the triple cream. The Cochrane review found only a handful of small trials of alternatives such as vitamin C and plant-based lightening complexes, and judged the quality of melasma trials overall as generally poor. They are reasonable for mild pigmentation or as gentler maintenance, but they should not be expected to clear moderate or severe melasma on their own.

Sun protection decides whether results last

The main trials in this guide combined treatment with daily sunscreen, and the Tri-Luma label makes sun avoidance part of the approved use. The label says sunscreen is an essential part of melasma therapy, "as even minimal sunlight sustains melanocytic activity". Use a broad-spectrum SPF 30 or higher every day, reapply outdoors, and use hats and shade. Without that, no cream will keep up.

Mercury: the hidden danger in cosmetic lighteners

Mercury lightens skin and poisons people. The FDA limits it in cosmetics to trace amounts, 1 part per million. A study that tested 549 skin-lightening products bought online and in stores in the US and five Asian countries found mercury above 1,000 ppm in 6.0% of them, and in 3.3% of those bought in the US. Of the products containing mercury, 45% had more than 10,000 ppm.

The FDA says mercury-containing skin products, sold as lighteners, anti-ageing creams and acne treatments, are usually made abroad and sold illegally in shops, on social media and through apps. It lists these label names: mercurous chloride, calomel, mercuric, mercurio or mercury. Signs of mercury poisoning it lists include irritability, shyness, tremors, changes in vision or hearing, memory problems, depression, and numbness and tingling in the hands, feet or around the mouth. If a cream lists any of these names, or has no ingredient list at all, do not use it.

Monobenzone is not a skin lightener

Monobenzone (monobenzyl ether of hydroquinone, formerly sold in the US as Benoquin and still sold under that name elsewhere) destroys the pigment cells in the skin, and the loss is permanent. Its medical use is narrow: depigmenting the remaining normal skin in people with extensive vitiligo who have chosen that route with a dermatologist, after careful screening and counselling. Used as a "whitening" cream, it can leave permanent white patches. Never use it for melasma, dark marks or cosmetic lightening.

Lightening your natural skin colour

None of the treatments in this guide is tested, approved or safe as a way to lighten a person's natural skin tone. The products marketed for that purpose are where the harms concentrate: mercury, hidden or strong steroids, unlabelled hydroquinone above 4%, and depigmenting agents. The Tri-Luma label itself warns that excessive bleaching in darker skin cannot be excluded. If the goal is an even tone, treat the specific dark patches with a proven medicine and protect the skin from the sun.

Which option suits which problem

Problem	Usual starting options	Notes
Moderate to severe melasma	Triple cream course, or hydroquinone 4%	Short courses, strict sunscreen; ask about oral tranexamic acid if it persists
Mild melasma, or hydroquinone not tolerated	Azelaic acid 20%	Suits longer use
Dark marks after acne	Azelaic acid, tretinoin, or hydroquinone	Treat the acne too, or new marks keep forming
Sun spots	Tretinoin, hydroquinone	Have any changing or irregular spot checked first
Melasma that keeps coming back	Maintenance with a gentler agent, daily sunscreen	The Tri-Luma label says melasma usually recurs

When to see a doctor first

• A dark spot that is new, changing, irregular, bleeding or unlike your other spots: have it checked for skin cancer before treating it as pigmentation.
• Pregnancy: do not use tretinoin-containing creams, including all triple creams. The Tri-Luma label warns that tretinoin may cause birth defects or death of the baby, and women in its trials had a negative pregnancy test and used birth control. Breastfeeding: ask a doctor first.
• Darker skin (types V and VI): most reported cases of ochronosis are in darker skin, and Tri-Luma was not tested in it.
• Oral tranexamic acid always needs a prescription, and must not be used if you have had a blood clot, have a clotting disorder or use combined hormonal contraception.
• Skin that has become thin, red, bumpy or dependent on a steroid cream.

Where to buy

Hydroquinone, tretinoin, the triple cream and oral tranexamic acid are prescription medicines in the US and many other countries. SafeRxPills stocks creams made by Indian manufacturers, including Eukroma and Melalite Forte (hydroquinone), Clearz Max and Melacare (triple creams), Aziderm 20% (azelaic acid) and Biluma (kojic and ascorbic acid). These are not FDA-approved products. Triple creams containing a steroid, such as Melacare and Clearz Max, are for short courses on facial melasma under a doctor's supervision; do not use them on other areas or for months at a time. Use any lightening cream in courses, with daily sunscreen, and not during pregnancy if it contains tretinoin. Our prescription skin care guide covers the wider range, and the skin care section lists what we stock.

Sources

• TRI-LUMA (fluocinolone acetonide 0.01%, hydroquinone 4%, tretinoin 0.05%) cream, US prescribing information, sections 1, 2, 5, 6, 14 and 16. DailyMed
• Drugs@FDA: TRI-LUMA, NDA 021112, approved 18 January 2002; BENOQUIN, NDA 008173 (discontinued).
• Rajaratnam R et al. Interventions for melasma. Cochrane Database Syst Rev 2010;(7):CD003583. PMID 20614435.
• Del Rosario E et al. Randomized, placebo-controlled, double-blind study of oral tranexamic acid in the treatment of moderate-to-severe melasma. J Am Acad Dermatol 2018;78(2):363-9. PMID 28987494.
• Feng X et al. Efficacy and safety of tranexamic acid in the treatment of adult melasma: an updated meta-analysis of randomized controlled trials. J Clin Pharm Ther 2021;46(5):1263-73. PMID 33959984.
• Tranexamic acid tablets, US prescribing information, sections 1 and 4. DailyMed
• Ishack S, Lipner SR. Exogenous ochronosis associated with hydroquinone: a systematic review. Int J Dermatol 2022;61(6):675-84. PMID 34486734.
• Hamann CR et al. Spectrometric analysis of mercury content in 549 skin-lightening products: is mercury toxicity a hidden global health hazard? J Am Acad Dermatol 2014;70(2):281-7. PMID 24321702.
• Jha AK et al. Misuse of topical corticosteroids on the face: a cross-sectional study among dermatology outpatients. Indian Dermatol Online J 2016;7(4):259-63. PMID 27559498.
• Lahiri K, Coondoo A. Topical steroid damaged/dependent face (TSDF): an entity of cutaneous pharmacodependence. Indian J Dermatol 2016;61(3):265-72. PMID 27293246.
• Grimes PE, Nashawati R. Depigmentation therapies for vitiligo. Dermatol Clin 2017;35(2):219-27. PMID 28317530.
• US Food and Drug Administration. FDA works to protect consumers from potentially harmful OTC skin lightening products (19 April 2022). FDA
• US Food and Drug Administration. Mercury poisoning linked to skin products. FDA

This article is for information only and is not medical advice. Hydroquinone, tretinoin, triple creams and tranexamic acid are prescription medicines. See a doctor or dermatologist before starting treatment, and have any new or changing spot checked.