Full of surprises, cosmetics law.
Like: did you know that legally, scent must be sold in tamper-proof packaging...? (Hence those acres of cellophane we wastefully discard each year.)
So we very much like this eco-solution from Aesop. Instead of origami-ed plastic, we noticed they seal each fragrance with a safety pin and a button.
Useful, as well as beautiful. (Which happens to be our favourite combination.)