Benzyl benzoate (Benzoic acid benzyl ester) is one of the older preparations used for the therapy of scabies. Scabies is a skin infection caused by the Sarcoptes scabiei. Its symptoms are red spots, severe itching (particularly at night), and may lead to a secondary infection. Benzyl benzoate is useful in the therapy of scabies because it is lethal to this mite. It is also used for the therapy of lice affection of the body and head. Benzyl benzoate is not the therapy of choice for scabies because of its irritant properties.

Nitazoxanide (NSC-697855) is a synthetic benzamide with antiprotozoal activity. Nitazoxanide exerts its antiprotozoal activity by interfering with the pyruvate ferredoxin/flavodoxin oxidoreductase dependent electron transfer reaction.

Chloroquine phosphate (Aralen phosphate) is an aminoquinoline antimalarial and also is widely used as an autophagy inhibitor. Chloroquine also is an inhibitor of toll-like receptors (TLRs).

Artemisinin (Qinghaosu) is a natural product, a sesquiterpene lactone, derived from Artemisia annua. Artemisinin has anti-malarial activity, as well as neuroprotective and anti-tumor activity.

DL-Methionine (Acimetion) is an amino acid. Amino acids are the building blocks that our bodies use to make proteins. DL-Methionine is found in meat, fish, and dairy products. It plays an important role in the many functions within the body.

Diethyltoluamide (DEET) is the most common active ingredient in insect repellents.