Petroleum jelly in one patient. However, petroleum jelly is used extensively by otolaryngologists—ear, nose, and throat surgeons—for nasal moisture and epistaxis treatment, and to combat nasal crusting. Large studies have assessed petroleum jelly applied to the nose for short durations to have no significant side effects. Historically, it was also consumed for internal use and even promoted as "Vaseline confection". Most petroleum jelly today is used as an ingredient in skin lotions and cosmetics, providing various types of skin care and protection by minimizing friction or reducing moisture loss, or by functioning as a grooming aid, e. g. pomade. By reducing moisture
Grass jelly Grass jelly Grass jelly, or leaf jelly, is a jelly-like dessert eaten in Malaysia, Indonesia, Mainland China, Hong Kong, Macau, Southeast Asia, and Taiwan. It is made using the "Platostoma palustre" plant (a member of the mint family) and has a mild, slightly bitter taste. It is served chilled, with other toppings such as fruit, or in bubble tea or other drinks. Outside Asia, it is sold in Asian supermarkets. Grass jelly is made by boiling the aged and slightly oxidized stalks and leaves of "Platostoma palustre" ("Mesona chinensis") with potassium carbonate for several hours with a little starch and