ISHA® Cassia® very fine powder comes from southern India, renowned for the superior quality of its herbs. In nature, there are many species of Cassia, some used as remedies in folk medicine. Cassia for hair is the powder of the plant called Cassia/Senna Obovata or Senna Italica and its powder is yellow/green. Cassia: a remedy for restructuring and regenerating hair It is also called neutral henna: if it is oxidized with an acid such as vinegar or lemon juice, it can release golden reflections on light hair, while on dark hair the effect is very minimal. It does not lighten the hair, it reflects it. To be used individually or in addition to other dyeing herbs, it will give body and shine to the hair. The final yield will depend on the starting point and the type of hair, it is advisable to test the herb on a small strand to evaluate its effect before complete application.