6-7 bath bomb

6-7. What does it mean? No one actually knows. But here it is, in a bath bomb form, with a vanilla mint scent. 

*please discontinue use if irritation occurs

Ingredients: sodium bicarbonate, citric acid, magnesium sulfate (Epsom salt), sodium Lauryl sulfoacetate (derived from coconuts), kaolin clay, citrus medica limonum (lemon) oil, Prunus Dulcis (Sweet Almond oil), polysorbate 80, mica