sentences:  Numerous other plant-derived therapies have demonstrated positive effects against acne (e.g., basil oil and oligosaccharides from seaweed); however, few well-done studies have examined their use for this purpose.There is a lack of high-quality evidence for the use of acupuncture, herbal medicine, or cupping therapy for acne.Many over-the-counter treatments in many forms are available, which are often known as cosmeceuticals.