The ingredient narratives reshaping clean beauty.
Indigo Leaf Extract
aka indigofera tinctoria leaf extract · true indigo extract · neel extract · isatis tinctoria extract
Anti-inflammatory botanical extract in prestige serums. Indirubin content provides the mechanism for calming and barrier-support claims. Used in French clinical skincare for sensitive and reactive skin.
- Anti-inflammatory via indirubin and indigo compounds
- Inhibits pro-inflammatory cytokine production
- Barrier support — improves skin hydration
- Traditional use in inflammatory skin conditions (eczema, psoriasis)
- Antioxidant flavonoid fraction
- Brightening serums
- Clinical anti-inflammatory products
- Sensitive skin serums
- Barrier repair creams
- Calming botanical serums
Aqueous or hydroalcoholic extract; indirubin content requires standardisation. Deep blue colour from indigo content requires colour management in clear formulations.
Indirubin at high concentrations is cytotoxic — safety at cosmetic dilution is established but high-concentration extracts require careful dosing. Potential for skin staining from indigo pigment in higher concentrations.
Accepted in clinical clean beauty. Associated with French pharmacy and dermatological skincare traditions. Biologique Recherche's clinical positioning amplifies credibility.
The ingredient narratives reshaping clean beauty.
Indigo Leaf Extract
aka indigofera tinctoria leaf extract · true indigo extract · neel extract · isatis tinctoria extract
Anti-inflammatory botanical extract in prestige serums. Indirubin content provides the mechanism for calming and barrier-support claims. Used in French clinical skincare for sensitive and reactive skin.
- Anti-inflammatory via indirubin and indigo compounds
- Inhibits pro-inflammatory cytokine production
- Barrier support — improves skin hydration
- Traditional use in inflammatory skin conditions (eczema, psoriasis)
- Antioxidant flavonoid fraction
- Brightening serums
- Clinical anti-inflammatory products
- Sensitive skin serums
- Barrier repair creams
- Calming botanical serums
Aqueous or hydroalcoholic extract; indirubin content requires standardisation. Deep blue colour from indigo content requires colour management in clear formulations.
Indirubin at high concentrations is cytotoxic — safety at cosmetic dilution is established but high-concentration extracts require careful dosing. Potential for skin staining from indigo pigment in higher concentrations.
Accepted in clinical clean beauty. Associated with French pharmacy and dermatological skincare traditions. Biologique Recherche's clinical positioning amplifies credibility.