VicTsing Essential Oil Diffuser and Oil Set The VicTsing Essential Oil Diffuser and Oil Set ($30, originally $38) comes with six essential oils in different soothing scents: lavender, tea tree, peppermint, eucalyptus, lemongrass, and sweet orange. Image Source: amazon.com VicTsing Essential Oil Diffuser and Oil Set $30 from amazon.com Buy Now