Everyone wants longer, stronger and thicker eye lashes and brows. Our brow and lash serum combines nourishing actives with keratinocyte growth factor (kgf) for hair that looks thicker, stronger, and healthier. Skin actives' exclusive sea kelp bioferment is a nutrient and mineral dense gel that contributes to overall skin and hair health. This lash extender and conditioning serum should be applied to the brow line and/or lash line twice daily. Allow to dry before applying makeup and mascara. Can also be used with lash extensions to prevent loss of lashes. Skin actives brow and lash serum has no side effects and will not change the color of your eyes.