Explanation:

Lead is a common impurity found in cosmetic lip products, such as lipsticks, and other cosmetics, such as eye shadows, blushes, compact powders, shampoos, and body lotions.

Brominated vegetable oil is a food additive sometimes used to keep citrus flavoring from separating out in some sodas and soft drinks. It is banned in Europe against use as a food additive in Europe and Japan.

Monosodium glutamate(MSG), is a glutamate, or salt of glutamic acid, a “non-essential” amino acid. It is a neurotransmitter - transporting messages from one nerve cell to another.  Glutamic acid is found naturally in tomatoes, grapes, cheese, mushrooms and other foods. It is commonly used in chinese fast food.