A sustainability review of Aleppo, a sustainable and ethical fragrance free, hand made, hypoallergenic and nut free bar soap brand from Sheffield. Based on the information they publish. Historically handcrafted in Syria using a multi boiling “on new water” process that takes months to cure. Only four ingredients, First cold press Olive oil, Laurel (Bay) berry oil, water, and traditional soda ash. Aged for at least six months until the exterior turns.