GUERLAIN Terracotta Concealer 11.5ml. #1N. Terracotta Concealer combines the long-lasting hold of a liquid concealer with the brightening and soft blurring effect of a corrective powder. The concealer - which contains 95% ingredients of natural origin - has exceptional coverage that is easy to build for an even and flawless result. The soft and sensorial texture gives the skin 24 hours of moisture for up to 24 hours of optimal durability.