Tip: You can also apply ginger oil directly to painful areas as a soothing migraine self-care remedy, recommends Dr. Tzikas.

Eau Fraiche: The lightest concentration of perfume oils—just 1-3% oil. Some aftershaves and body sprays might even fall into this category. Will wear off quickly. Eau de Cologne: 3-5% concentration.

How to choose the right cologne Fragrance strength Although commonly used to describe a men’s fragrance, “cologne” is actually a term indicating the intensity of perfume oil concentration in ...