Keratin UP Mascara Transparent is a keratin treatment serum that can be used to improve the thickness and overall health of your natural lashes and brows. It is designed with an easy-to-use mascara wand to ensure proper distribution of the product. It can be used after a lash lifting treatment for even better results, allowing the treatment to last longer. The suggested treatment period is 3 weeks, applying generously 2-3 times daily.