What concentration of Licorice Root Extract is effective?

Typical effective concentrations of Licorice Root Extract are 0.5% glabridin shown effective for depigmenting, extract typically used at 1–5% in formulations.

The Skin Formulary

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Researched by Helena DeMaria-Williams

Formula IngredientSkin Brightening

Licorice Root Extract

Q: Can Licorice Root Extract cause skin irritation?

Licorice Root Extract has a low irritation risk. Considered one of the safest skin-brightening agents with very few side effects. Well tolerated by sensitive skin. No EU CosIng Annex restrictions. Concentration of active glabridin in commercial extracts varies from 4–40%.

Q: Is Licorice Root Extract safe to use during pregnancy?

Licorice Root Extract is rated "safe" for pregnancy use. Topical licorice root extract is generally considered safe during pregnancy. It is distinct from oral licorice/glycyrrhizin consumption, which carries different risk considerations. Consult a healthcare provider if concerned.

Q: Does Licorice Root Extract increase sun sensitivity?

Licorice Root Extract has a no sun sensitivity risk. Does not increase photosensitivity. In fact, glabridin has been shown to inhibit UVB-induced pigmentation, providing complementary photoprotective benefits.

Q: What skin types is Licorice Root Extract suitable for?

Licorice Root Extract is suitable for all skin types, sensitive skin, hyperpigmentation, rosacea, eczema, acne-prone, post-inflammatory hyperpigmentation.

INCI: Glycyrrhiza Glabra Root Extract

Glycyrrhiza glabra root extract (licorice root) is a botanical extract containing two key active compounds: glabridin and glycyrrhizin. Glabridin inhibits tyrosinase activity and UV-induced pigmentation, making it one of the safest and most effective natural skin-brightening agents. Glycyrrhizin provides significant anti-inflammatory benefits.

What does this do in a formula?

skin brightening, anti-inflammatory, antioxidant, depigmenting, soothing, reducing redness

Is Licorice Root Extract safe? Key considerations

Can Licorice Root Extract cause irritation?

Low Risk

Considered one of the safest skin-brightening agents with very few side effects. Well tolerated by sensitive skin. No EU CosIng Annex restrictions. Concentration of active glabridin in commercial extracts varies from 4–40%.

Does Licorice Root Extract increase sun sensitivity?

No Risk

Does not increase photosensitivity. In fact, glabridin has been shown to inhibit UVB-induced pigmentation, providing complementary photoprotective benefits.

Is Licorice Root Extract safe during pregnancy?

Safe

Topical licorice root extract is generally considered safe during pregnancy. It is distinct from oral licorice/glycyrrhizin consumption, which carries different risk considerations. Consult a healthcare provider if concerned.