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Glb4.0

Licorice Extract / Glabridin (topical)

High safety

Evidence

Evidence Score4/10

Studies: 4

Meta-analyses: 0

Dosage & timing

Dosage:

Topical cosmetic only. Licorice extracts (standardized to glabridin or as liquiritin) are used in brightening serums and creams applied to clean skin once or twice daily, often with other brighteners and daily sunscreen. There is no oral or systemic dose in this cosmetic context. This library does not provide an ingestion protocol.

Best Time:

Any time

Can take on empty stomach

Form:

Leave-on brightening serum or cream with licorice extract (glabridin/liquiritin)

What you'll notice

ℹ️ Cosmetic, appearance-only — not the oral supplementneutral

Throughout

🌗 Gentle brightening / more even tonepositive

4-12 weeks

✅ Soothing / anti-inflammatorypositive

2-8 weeks

Safety

High safety

Contraindications:

For topical (skin) use only — not for ingestion in this context
Known allergy or sensitivity to licorice or the formulation
Application to broken or irritated skin until healed

Drug Interactions:

Other leave-on actives (acids, retinoids, other brighteners)

Side Effects:

Mild local irritation or allergy

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