Lancome Oscillation Powerbooster Details Vibrating. Amplifying. Primer Feel the vibration. See the growth.* The vibrating powerprimer to boost the appearance of natural lash growth. Innovation: combination of Crescentia complex with the vibrations act as a massage, see lash expansion day after day. Oscillation vibrating Powerbooster helps lashes reach their full potential and boost the appearance of natural lash growth. How to use: First apply Oscillation Powerbooster to prepare and improve t...