While benzoyl peroxide treatments and salicylic acid cleansers are tried-and-true at-home acne fighters, there's one natural extract that's been used for decades for the very same purpose: tea tree ...

I’m walking in the Eifel Mountains in western Germany, through cathedral-like groves of oak and beech, and there’s a strange unmoored feeling of entering a fairy tale. The trees have become vibrantly ...