Teeth blackening

Historical roots and origins

Archaeological evidence from Japan shows traces of this practice dating back to the Kofun period between 300 and 538 CE. In Vietnam, discoveries suggest the tradition began as early as 400 BCE. Historical texts from China and Korea describe the custom among various Asian peoples. It was often linked with tooth filing and other body modifications like tattoos. Early European explorers noted the practice with a mix of fascination and disapproval.

Practice in Japan and Vietnam

In Japan, the custom was known as ohaguro. Aristocrats and samurai used iron filings soaked in vinegar to achieve the dark color. It remained popular until the Meiji era ended in 1911, after which the government banned it. In Vietnam, women used burnt coconut shells or iron solutions. The process involved preparing the teeth with betel and charcoal before applying the dye. It was considered a sign of beauty and was common among married women.

Regional variations and decline

The Philippines saw similar practices, with locals filing and dyeing teeth black for longevity. Thai poets compared blackened teeth to ebony wood. In India, tribal groups in the Himalayas and Manipur practiced it. Islamic culture in South Asia used a mixture called missi, believed to be blessed by the Prophet's daughter. Western colonial influence and medical reports in the 20th century led to a sharp decline. Modern beauty standards replaced these traditional aesthetics.

Modern status and survival

Today, the custom is rare. It survives mainly among older women in isolated Southeast Asian groups. In Japan, it appears occasionally in historical plays or festivals. Some younger women may still practice it, sometimes using artificial teeth. The practice is no longer widespread but remains a significant part of cultural heritage for those who remember it. It stands as a testament to diverse historical views on beauty and maturity.

How Teeth blackening is kept

The process typically begins during puberty or around marriage. Participants clean their teeth with a mixture of betel, charcoal, and salt. They then rinse with acidic liquids like lemon juice or vinegar to prepare the surface. A dye made from iron, burnt coconut shells, or tannins is applied. The result is a lasting black color that signals adulthood and beauty. The procedure can be painful and causes gum swelling.

When and where

It occurs during puberty or at marriage. In Japan, it was done at coming-of-age ceremonies. In Vietnam, it was common for women in their late teens. The timing marked the transition from childhood to adult social roles.

It was prevalent in Japan, Vietnam, the Philippines, Thailand, and parts of India. It spread across Austronesian and Austroasiatic speaking regions. Today, it is mostly found in rural or isolated areas where traditional customs persist despite modernization.

What Teeth blackening means

Blackened teeth symbolized maturity, beauty, and civilization. They differentiated humans from animals, whose teeth were white. The practice was also linked to chastity and marital status. In some cultures, it carried sexual overtones and was associated with courtesans. It represented a high standard of aesthetic value and social order.

Who takes part

• The bride: Undergoes the dyeing process to mark her transition to adulthood or marriage.
• The officiant: Applies the iron or tannin solution to the teeth during the ceremony.
• Family members: Support the participant and may assist in the preparation of the dye mixture.

Then and now

The custom has largely disappeared due to colonial influence and changing beauty standards. It is now mostly seen in older generations or specific ethnic groups. In Japan, it is restricted to historical reenactments. Some communities maintain it as a link to their heritage, while others have abandoned it completely.

On the wedding table

• Betel nut: Used to clean teeth and prepare the surface for dyeing.
• Charcoal powder: Mixed with salt to sanitize the mouth before the application of dye.
• Burnt coconut shells: Brewed into a solution to provide the black coloration in Vietnam.
• Iron filings: Soaked in vinegar to create the dye used in Japan for ohaguro.

Symbols: The colour red Water and washing Tea and coffee

Questions people ask about Teeth blackening

See also

AlpanaRice flour floor paintings that bless homes and mark wedding celebrations in Bengal.Toe ringA silver band worn on the second toe to mark a woman as married in India.ShankhaWhite conch shell bangles worn by Bengali Hindu married women as a symbol of their husband's well-being.GanaA sacred red thread tied to wrists for protection during wedding rituals in parts of India.

Good reading and sources

• Teeth blackening on WikipediaEncyclopedia
• More photos on Wikimedia CommonsPhotos and video
• Wikidata recordOpen data

It may contain mistakes. Wedding customs differ from one family, village and community to the next, and the people who keep them know them best. If something is wrong, tell us. Last refreshed 2026-10-06.