A bath can improve blood circulation. This is because the heat causes blood vessels to expand. The water creates physical pressure that makes the heart work faster and harder. Some studies even show that bathing can increase blood pressure. The blend of salts and ingredients in our bath bomb helps the water open pores and release accumulated dirt and toxins, and moisturizes the skin. It also closes small cracks that appear in the skin when it is dry. With essential oil.
 http://www.passeportsante.net/fr/Solutions/PlantesSupplements/Fiche.aspx?doc=lavande_ps