Puressentiel Tonus Inhaler with 4 Essential Oils prevents somnolence and vitality or frop of energy (after the meals, during repetitive tasks, night-work,…). It improves the physical or sporting, performances, stimulates the intellectual perfomances. Its energising effect does not harm the quality of the sleep.<br /><br />100% Natural. Dye-free, preservative-free, synthesis fragrance-free, mineral oils free, non tested on animals.