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,
Royal jelly to them, and they consume it as it is produced, while the cells of queen larvae are "stocked" with royal jelly much faster than the larvae can consume it. Therefore, only in queen cells is the harvest of royal jelly practical. A well-managed hive during a season of 5–6 months can produce approximately 500 g of royal jelly. Since the product is perishable, producers must have immediate access to proper cold storage (e.g., a household refrigerator or freezer) in which the royal jelly is stored until it is sold or conveyed to a collection center. Sometimes honey or beeswax is