1.As i kahi waena o nā make, hiki ke hoʻohanaʻia e hana i nā dyes azo, e like me ka hulu manu, e like me ka hulu manu, etc.
2. Ua hoʻohana pūʻia ma ka hanaʻana o nā antioxidants, stabilizants, hoʻomohala a me nā kiʻiʻoniʻoni, e like me ka lauoho lauoho.