The Puressentiel Headache Roll-On is a medical device with proven efficacy.This product offers an effective solution for headache relief by combining a refreshing effect of the rollerball and 9 pure essential oils with relaxing and calming properties. Practical to use on the go, it provides an instant refreshing effect without having an oily texture. Aromatherapy based product. The Puressentiel Headache Roll-On is a medical device with proven efficacy.This product offers an effective solution for headache relief by combining a refreshing effect of the rollerball and 9 pure essential oils with relaxing and calming properties.