Fragrances are made up of alcohol, water, and fragrance oil. Each fragrance has its own specific ingredient added to give it its unique scent. A fragrance can contain anywhere from 10 to 250 ingredients.

You should not spray the fragrance directly to your clothes, as this may leave permanent stains. You can apply the perfume to your bodies pulse points, such as wrist, behind the ear lobes, and inside the elbow bands. Since fragrances contain alcohol that rises with heat, apply some in the back of your knees for maximum effect. In addition, the amount of fragrance applied will differ for each person due to skin structure and surface.

The scent quality and smell is identical. However, the way the fragrances applied are different. Some people tend to like the mist spray on them, others like to apply it in a traditional manner, by their hands. Spray bottle is a little easier to use and is typically available for all fragrances excep for pure perfumes.

Kouros by Yves Saint Laurent fragrance composition can change over time due to heat, light and oxygen. These three elements affect the smell and color of the fragrance overtime. The best way to prevent this from happening is to keep it in a cool place, away from light, in some sort of a cabinet in your closet. The temperature of the storage should not be room temperature.