PURESENTIEL Heachache Rollerball 9 essential oils 5ml Proven effective roll-on, reduces pain associated with headaches and headaches. The combination of massage, fresh effect of the roll-on and 9 essential oils with relaxing and calming fragrances offers a natural and effective solution. Practical and easy to use anywhere, it provides a fresh and immediate effect. This roll-on, thanks to its non-greasy consistency, penetrates quickly.