HyperpigmentationHyperpigmentation
Prevalenza: Melasma affects 15-50% of pregnant women; PIH common in darker skin tones (Fitzpatrick IV-VI)
Evidence-Ranked Ingredients
| Ingrediente | Grado | Studi | Direzione | |
|---|---|---|---|---|
| Glutathione | C | 6 | Positive | Visualizza → |
| Pine Bark Extract (Pycnogenol) | C | 4 | Positive | Visualizza → |
| Polypodium leucotomos | C | 3 | Positive | Visualizza → |
| Grape Seed Extract | C | 3 | Positive | Visualizza → |
| N-Acetyl Cysteine | C | 3 | Positive | Visualizza → |
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
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?
How is the evidence for Hyperpigmentation supplements graded?
How many studies on Hyperpigmentation supplements have been reviewed?
What are common symptoms of Hyperpigmentation?
Related Conditions
Condizioni che condividono ingredienti studiati
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