Aizome, the “Mystic Blue of Japan”

Aizome (藍染め) or “indigo dyeing” is characterized by a deep blue color that is also called ” Japan blue ” as it is known and appreciated in the world due to its beautiful hue. It has been treasured by the Japanese since ancient times and is now used for modern items such as jeans or sweaters, among many other products. Discover the charm of Japan’s mystical blue!

Ai (indigo) is a dye harvested from the leaves of the Japanese indigo plant ( Persicaria tinctoria ). Its bright , deep blue color has attracted people since ancient times. Indigo dyeing has been developed in various parts of the world; it is said to have been introduced from India to Japan via the Silk Road and there are records of indigo plant cultivation from the 6th to the 7th century.

At the beginning, it was only used for aristocrats or samurai . However, around the 17th century, it spread to common people as well, and various household items began to be dyed with indigo, including kimono , hand towels, and bedding . Since indigo has antibacterial and insect repellent effects and is also effective in preventing odors, Aizome clothing was appreciated as a remedy for skin problems or eczema.

There are several methods for extracting the dye from indigo leaves. The most used method and that has been transmitted to the present day is the fermentation of the leaves . Indigo leaves are dried and fermented to make ” sukumo ” which contains a concentrated dye component and is then mixed with lye, lime, and other substances and then fermented again. Currently, most sukumo is produced in Tokushima Prefecture in Shikoku, known as “Awa-ai” and produces high-quality colors.

Various shades of blue can be created with this Aizome dye depending on the level of fermentation or dyeing time, with each shade having a different name based on its slight difference in hue. There are various colors ranging from ” aijiro (indigo white)”, the lightest shade closest to white, to ” noukon (navy blue)”, the darkest shade closest to black.

The popularity of items using Aizome natural dye is increasing year by year. Since they do not use chemicals and have an antibacterial effect, they are also suitable for use as everyday items, such as soaps made with Aizome dye which, being derived from plants, are gentle on the skin and also have a beautiful color. indigo, the ” blue of Japan “

You can find traditional products such as kimonos or tapestries with Aizome but also more informal items such as ties, towels, cup holders and many other everyday items. An Aizome product is a nice souvenir that you can take with you from Japan!

Did you already know the Aizome, Blue from Japan? Tell us in the comments!