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High Systemic Bioavailability · Pause
Can you use Hydroquinone during pregnancy?
⚠️Medical Deferral Notice
Avoid throughout pregnancy. Confirm melasma management protocols with your doctor. Cosmetic classifications are formulation flags to discuss with your healthcare provider, not medical clearance.
Clinical Summary
A potent skin lightener exhibiting unusually high transdermal absorption (up to 35%–45%) into maternal circulation.
Pharmacological Mechanism & Teratogenic Context
Unlike most cosmetic actives that act within the non-vascularized stratum corneum, hydroquinone demonstrates substantial transdermal bio-availability. Substantial concentrations enter maternal circulation and cross the placenta. Dermatological and obstetric guidelines strictly advise avoidance during gestation.
Common INCI Names on Packaging
Hydroquinone1,4-Dihydroxybenzene
Permitted Alternatives During Pregnancy
- ✓Vitamin C (L-Ascorbic Acid) for tyrosinase inhibition
- ✓Niacinamide (Vitamin B3) for melanosome transfer blocking
- ✓Azelaic Acid 10%–15% (selective hyperactive melanocyte suppressor)