Old-fashioned, unsurpassed bluing makes your whites extra white.
In various cultures, it's used to wash against evil spirits (evil eye).
Bluing is especially popular in Surinamese culture. It can be used to protect yourself from the evil eye (nahdjer). Anything desirable can be brought under the spell of the evil eye. You heat a bath in which you dissolve half or a whole cube. It's primarily used to wash babies or by Surinamese people to perform a major ritual washing at New Year's Eve, so they can start the new year with a clean slate. Evil eye, ogri ai. Those affected by the evil eye can experience bad luck, illness, loss, or other calamities. The belief in the evil eye is over 5,000 years old and was feared centuries ago by the Greeks and Romans, but today it's also feared by Hindus, Buddhists, Surinamese and Arab Christians, and Muslims.

4 tablets of 14 grams (8 washes)
In short, a good old-fashioned product at a great price!