You will need:
1 funnel:
500 ml of hot tap water:
(no too hot so that you don't burn yourself)
Instructions:
1.Remove the spray head and put the funnel in the bottle.
2.Pour the powder in the funnel.
3.Pour 5 to 6cm of hot water (as hot as possible without burning your hands).
4.Close the bottle with the spray head.
5.Wrap a tea towel or any other piece of fabric around the bottle neck and shake well for approximately 1 minute.
6.Finish filling the bottle with hot water.
7.Let it dilute a few hours or overnight, the bottle must have completely cooled down before using the product.