HONG KONG Most lash salons fixate on the same two variables: length and volume. However, what almost nobody talks about is direction — and for a large share of Asian lashes, which grow straight downward rather than out and up, direction is actually the root of the problem. It's why curlers slip by mid-morning, why mascara prints itself onto the eyelid by lunchtime, and why ordinary extensions often just make that downward line longer rather than lifting it. Xtreme Lashes Hong