Enhance the look of your lashes with Lancôme's Cils Booster Mascara Base, a white lash primer that conditions and protects while promoting longer, thicker-looking eyelashes.To be used under your usual mascara, the lash base has a vitamin-infused formula that perfectly preps lashes; it glides effortlessly on and is enriched with fibres to create a fuller, curvier appearance without smudging or flaking. Conditioning your lashes, it makes mascara application easier and provides a lash-boosting effect, improving curl, length and volume with up to 24 hour wear. The triangular, thin-shaped brush allows you to reach even the smallest of lashes. Expect longer, thicker-looking eyelashes.Suitable for sensitive eyes and contact lens wearers.Ophthalmologically tested.