With the theme of "good sleep", this aroma oil roller uses high-quality essential oils carefully selected by essential oil therapy experts. An exquisite blend of lavender, ylang-ylang, chamomile, eucalyptus, bergamot and orange essential oils. The pleasant scent leads to relaxation and supports a good night's sleep. It's perfect for when you need better sleep or deep relaxation 。 The aroma oil roller is a portable aroma that can be carried in a pocket or small pouch. It is an easy-to-use roller type and can be easily enjoyed anywhere. This product was developed in collaboration with a research institute that handles spas and amenities at first-class hotels. We carefully select only high-quality ingredients.