They're a necessity. The post 32 Hair Perfumes & Oils That’ll Leave Your Hair Smelling Amazing All Day Long first appeared on Her Campus.

They also discovered that the base material, or substrate, used by snapdragon to produce the fragrant oils is regulated by a separate gene. "This suggests that there may be basic genetic regulatory ...

For a quick pick-me-up, making a DIY air freshener with lilac oil is both cheap and easy. Just combine 10 drops of lilac oil ...