BT-069 · Lythraceae

Henna

Lawsonia inermis
Evidence: TraditionalCaution

Henna in Anatolia and huito in the Amazon do the same job on two continents: marking a rite of passage by colouring the body.

Other names
Mehndi, hınna, kına (Turkish)
Part used
Leaves
Region
Anatolia and the Mediterranean
Use
Ritual and shamanic, Healing
Henna (Lawsonia inermis): cream flower cluster
Photo: Dinesh Valke from Thane, India · CC BY-SA 2.0 · Wikimedia Commons
In short

What is Henna?

Henna (Lawsonia inermis) is a plant of the Lythraceae family. Traditions that use it: Anatolia and the Mediterranean. Part used: leaves.

What is Henna used for?

Traditional use: On the kına night before a wedding, henna is applied to the bride’s hands; it is also applied to young men leaving for military service and to sacrificial rams. Scientific evidence: traditional. Its colour comes from lawsone, which binds to keratin in the outer skin and lasts a few weeks.

Is Henna safe?

Safety label: caution. Natural henna is generally safe. The PPD dye added to so-called “black henna” can cause severe allergy and permanent scars. Henna should not be used on babies with G6PD deficiency.

Traditional use

Anatolia

On the kına night before a wedding, henna is applied to the bride’s hands; it is also applied to young men leaving for military service and to sacrificial rams. Henna stands for devotion and farewell.

North Africa and South Asia

As mehndi, patterns are drawn on hands and feet at weddings.

In nature

Where it grows
A hot-climate plant; Türkiye imports it mostly from Sudan, Egypt and India.
Harvest season
Leaves are picked before flowering and dried.
Local names
kına, hınna, kına çiçeği

Mix-up risk

The garden plant sold as “kına çiçeği” (Impatiens balsamina) is a different plant and gives no dye.

Preparation

Dried leaf powder is mixed into a paste with water or lemon and applied to skin and hair.

What science says

Its colour comes from lawsone, which binds to keratin in the outer skin and lasts a few weeks. Human studies of medicinal uses are few.

Safety

Caution

Natural henna is generally safe. The PPD dye added to so-called “black henna” can cause severe allergy and permanent scars. Henna should not be used on babies with G6PD deficiency.

Drug interactions

Medicine or substanceWhy it matters
PPD-containing hair dyesPeople sensitised by PPD in “black henna” can develop severe allergy to hair dye.
G6PD deficiencyHenna can trigger the breakdown of red blood cells in babies.

This list is not complete. If you take regular medication, ask your pharmacist or doctor before trying Henna.

Culture bridge

Dye written on the body. Henna on the hands at the kına night in Anatolia, huito on the body in Amazonian ceremonies. Both dyes are temporary marks that last a few weeks. Read the comparison →

Similar plants

Sources

  1. ResearchHypersensitivity reactions due to black henna tattoos and their components
  2. ResearchThe Henna pigment Lawsone activates the Aryl Hydrocarbon Receptor and impacts skin homeostasis
  3. BookBaytop T. Türkiye’de Bitkiler ile Tedavi: Geçmişte ve Bugün. 2. baskı. İstanbul: Nobel Tıp Kitabevleri; 1999.
  4. Botanical recordKew Plants of the World Online: Lawsonia inermis
  5. Titles of research sources are summarised in Turkish on the Turkish page; links open the original English publications.

Written by Edanaz Tınmazlar · Last reviewed: · Türkçe