Blue nila (indigo): how to use it externally

A short guide to blue nila (indigo): where it comes from, how Moroccan homes use it and what to keep in mind.

Blue nila (indigo) (النيلة الزرقاء)

Blue nila is a traditional powder used at the hammam with black soap.

How to use: External use only: mix with water or rose water as directed, then rinse well. Not to be eaten.

External-use ideas for blue nila (indigo)

• Home mix: blend with a little water or rose water into a smooth paste, following the pack.
• Use clean tools and keep any mix in the fridge for one day at most.
• Not to be eaten or drunk; keep away from eyes and children.
• Patch-test the mix on a small area of skin first.

Tips for buying and storing blue nila (indigo)

• A natural smell and colour are good signs; avoid anything that smells off or looks damp.
• Keep blue nila (indigo) in an airtight container away from light, heat and moisture.
• Always use a clean, dry spoon.
• Buy enough for a few weeks so it stays fresh and fragrant.
• Choose a product with a clear origin and a label showing ingredients, size and date.

The story of blue nila (indigo) at the Moroccan attar

• In the souks of Fes, Marrakech and Essaouira, the attar (herbalist-grocer) displays herbs, spices and oils in sacks and bottles.
• Blue nila (indigo) is one of the products Moroccans have known for generations, with ways of using it passed down in families.
• Names vary by region, between Arabic, Amazigh and Darija, but the customs are similar.
• Today the same traditional products come with clear labels and home delivery.

General precautions

• Moderation first; herbs do not replace a varied diet.
• Pregnant or breastfeeding women, children and anyone on medication: ask a doctor first.
• Patch-test oils and skin products on a small area; avoid the eyes.
• Store cool and dry, out of reach of children.

Please note: this is cultural and general content, not medical advice; see a doctor if needed.