50% remaining Retail $59+tax Featherlight moisturiser for optimal hydration. Discover YSL's new complexion secret, Top Secrets Instant Moisture Glow. This ultra-lightweight, take-anywhere perfecting moisturiser provides up to 72 hours of hydration thanks to its creamy sensorial texture. Applied before make-up, it instantly hydrates and locks in moisture. Applied during the day, it offers a burst of on-the-go hydration to leave skin looking beautifully radiant.