INDIGOFERA TINCTORIA

📋 Quick facts

Description: INDIGOFERA TINCTORIA — Masking, Tonic.

All Functions: Masking, Tonic

Quick Facts:

• Category: masking

Proven Benefits At A Glance:

• Indigofera tinctoria is a natural plant source used in hair dye formulations
• The plant contains compounds that create color through specific chemical molecules called indigo and indirubin
• Color can shift over days after application, but this can be controlled with certain additives
• Research has explored using leaf extracts in scientific applications like nanoparticle synthesis
• Limited consumer skincare data available; most research focuses on hair coloring or industrial applications

📊 Comedogenicity

🛡️ Safety rating

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🌍 Regulatory Status

💧 Skin Type Compatibility

⚠️ Don’t Combine With

📚 Research & Evidence

🔬 The Science

Indigofera tinctoria is a plant traditionally used for coloring hair. Here’s what the research shows: #1: The plant naturally produces two color-creating molecules—indigo (which creates blue tones) and indirubin (which creates red tones)—when applied to hair. Without additives, you’ll notice the color shift over several days as indirubin develops slowly after the indigo initially forms (Int J Cosmet Sci, 2025). #2: Scientists have discovered that adding certain compounds like isatin combined with cysteine or ascorbic acid (vitamin C) to Indigofera tinctoria applications can speed up color development and create an immediate, stable red color result instead of the typical color-shift pattern, by favoring indirubin formation over indigo (Int J Cosmet Sci, 2025).

The research emphasizes that understanding how these dye molecules form allows for more reliable and stable color results from plant-based products. Beyond hair dyeing, Indigofera tinctoria leaf extracts have been studied in laboratory settings for use in creating zinc oxide nanoparticles (Artif Cells Nanomed Biotechnol, 2018; Exp Parasitol, 2023), but these applications are experimental and not relevant to typical skincare or hair care use. The available research is quite specialized and limited in scope for general consumer skincare claims.

📄 Related Research

Matched by search — not necessarily verified support for every statement above.

• Klaas S et al. (2025). Indirubin as a red hair Colourant from Indigofera tinctoria L. Int J Cosmet Sci.
• Haltia T et al. (2021). Occupational asthma, rhinitis, and contact urticaria from indigo (Indigofera tinctoria) hair dye. J Allergy Clin Immunol Pract.
• Prashanth GK et al. (2018). Comparison of anticancer activity of biocompatible ZnO nanoparticles prepared by solution combustion synthesis using aqueous leaf extracts of Abutilon indicum, Melia azedarach and Indigofera tinctoria as biofuels. Artif Cells Nanomed Biotechnol.
• Chithiga A et al. (2023). Biosynthesis of zinc oxide nanoparticles using Indigofera tinctoria and their efficacy against dengue vector, Aedes aegypti (Diptera: Culicidae). Exp Parasitol.
• Charansol A et al. (2025). Contact Dermatitis From Natural Indigo (Indigofera Tinctoria Leaf Extract) Contained in Hair Dye Preparations: A Case Series. Contact Dermatitis.

🧴 Products Containing INDIGOFERA TINCTORIA

• Aleyria Cosmétiques Savon solide Le Provençal Visage – Aleyria Cosmétiques
• nautilus
• Le Petit Marseillais Shampooing Reflets Bruns
• Aleyria Cosmétiques Savon solide Le Provençal – Aleyria Cosmétiques
• Logona hazelnut shampoo
• Khadi Noisette naturel châtain foncé
• Aroma-Zone Coloration végétale henné cuivré
• aroma zone Henné châtain foncé
• Logona Naturkosmetik soin colorant 100% végétale