Looking for fuller, longer lashes? Don’t want the expense or upkeep to lash extension? Nu Colour Eyelash Serum is here to help. Featuring Tricalgoxyl, a seaweed derivative rich in polysaccharides, this clear gel strengthens and lengthens delicate lashes from roots to tips. Perfect alone or under mascara, this conditioning formula is the ultimate in lash care. Also great for eyebrows.