Introducing YSL’s iconic Touche Éclat YSL Blur Primer - a blurring & illuminating face primer in an easy-to-use gel format. YSL Blur Primer contains the optimal light diffusion technology of Touche Éclat Illuminating Pen in a transparent gel format to allow for easy application. Use underneath your foundation to boost the radiance of your foundation, or use alone for a radiant “no makeup” makeup look. An irresistible complexion instantly illuminated. Skin texture looks smoother and skin luminosity appears boosted. Benefits: Easy-to-use fluid format. Boost radiance of your foundation. Improves appearance of skin texture. Inspired by our iconic Touche Éclat Illuminating Pen. For use under makeup or alone.