What supplements have evidence for reducing hyperpigmentation?

Glutathione, vitamin C, Pycnogenol, and grape seed extract have clinical evidence for reducing melanin production or improving hyperpigmentation. Glutathione shifts melanin synthesis toward lighter pheomelanin. Tranexamic acid (available as both oral and topical) has strong evidence but is typically considered a medication rather than a supplement.

Can supplements alone eliminate dark spots and melasma?

Supplements alone are unlikely to fully resolve established hyperpigmentation or melasma. Strict sun protection is essential, as UV exposure triggers melanin production. Topical treatments (hydroquinone, azelaic acid, vitamin C, retinoids) remain first-line therapies. Oral supplements may provide modest supportive benefit, particularly when combined with topical treatments.

When should someone with hyperpigmentation see a dermatologist?

See a dermatologist if hyperpigmentation is widespread, rapidly changing, appears in unusual patterns, or does not respond to OTC treatments after 3 months. Melasma requires a specific treatment approach. Some pigmentary changes can indicate underlying endocrine disorders. A dermatologist can distinguish between different causes and provide targeted treatment.

Hyperpigmentation
Hyperpigmentation

Prévalence: Melasma affects 15-50% of pregnant women; PIH common in darker skin tones (Fitzpatrick IV-VI)

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Evidence-Ranked Ingredients

Ingrédient	Note	Études	Direction
Glutathione	C	6	Positive	Voir →
Pine Bark Extract (Pycnogenol)	C	4	Positive	Voir →
Polypodium leucotomos	C	3	Positive	Voir →
Grape Seed Extract	C	3	Positive	Voir →
N-Acetyl Cysteine	C	3	Positive	Voir →

About

Excess melanin deposition in the epidermis or dermis, resulting in darkened patches. Major subtypes include melasma (hormonally driven), post-inflammatory hyperpigmentation (PIH), and solar lentigines (sun spots). Involves upregulation of tyrosinase and melanosome transfer to keratinocytes.

Common Symptoms

Dark patches on face (melasma: cheeks, forehead, upper lip) Dark spots at sites of prior acne or injury (PIH) Age spots (solar lentigines) Uneven skin tone

Risk Factors

Sun exposure
Hormonal changes (pregnancy, oral contraceptives)
Skin inflammation or injury
Darker skin tones
Family history
Certain medications

Frequently Asked Questions

What supplements are studied for Hyperpigmentation?

Research has examined 5 supplement ingredients for Hyperpigmentation, including Glutathione. Evidence strength varies; review individual grades for details.

How is the evidence for Hyperpigmentation supplements graded?

We grade supplements on an A-F scale based on clinical study quality, consistency of results, sample sizes, and study design. Grade A indicates strong evidence from multiple clinical trials, while Grade D indicates preliminary evidence requiring further research.

How many studies on Hyperpigmentation supplements have been reviewed?

Our evidence grades for Hyperpigmentation are based on a total of 19 peer-reviewed studies across 5 ingredients. Studies are sourced from PubMed and include randomized controlled trials, meta-analyses, and other clinical research.

What are common symptoms of Hyperpigmentation?

Common symptoms associated with Hyperpigmentation include Dark patches on face (melasma: cheeks, forehead, upper lip), Dark spots at sites of prior acne or injury (PIH), Age spots (solar lentigines), Uneven skin tone. If you are experiencing these symptoms, consult a healthcare professional for proper diagnosis and treatment options.

Related Conditions

Pathologies partageant des ingrédients étudiés

Aging Skin & Wrinkles UV Protection (Internal Photoprotection)

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.