How can we remove henna stain from clothes?

use lots of cold water, wash repeatedly, repeatedly, repeatedly,

use a stain remover, wash in cold water repeatedly

Tri sodium phosphate is a white ,granular product that will remove all grease. It is easy to use just mix the proper amount into warm water and wipe with a rag. I always make mine a little stronger than I am supposed to. Last time I bought it it was about 5 or 6 dollars for a box you can use for a year. I use it for everything that is greasy, walls, garage floors, it will even remove old floor wax. It has a stripping type effect and can remove the shine off of paints so, be careful. You can find it in home improvement stores usually in the painting preparation area. By the way, it has never damaged any surface I have used it on. Good Luck.

Home Based Tattoo Removal

Soak the stain in milk and wash it as usual.