Petroleum jelly aid in the removal of petroleum jelly from hair and skin. In 2015 German consumer watchdog Stiftung Warentest analyzed cosmetics containing mineral oils. After developing a new detection method they found high concentrations of Mineral Oil Aromatic Hydrocarbons (MOHA) and even polyaromatics in products containing mineral oils with Vaseline products containing the most MOHA of all tested cosmetics (up to 9%). The European Food Safety Authority sees MOHA and polyaromatics as possibly carcinogenic. Based on the results, Stiftung Warentest warns not to use Vaseline for lip care or any product that is based on mineral oils. Petroleum jelly Petroleum jelly,
Grass jelly genus Stephania such as "Stephania hernandifolia" (also known as "Stephania japonica") and "Stephania capitata" are also being used as a substitute to create green grass jelly called "cincau minyak" or oily grass jelly. Usually, the process of making Indonesian green grass jelly doesn't require a cooking or heating process. Mixing leaf extract and water with the addition of a period of waiting time for coagulation at mild room temperature is enough. Indonesian green grass jelly has a distinct flavor compared to black grass jelly. It is absent of smoky flavor, almost no bitter taste, and has mild leafy flavor. Due