Thicker Darker Beautiful Lashes In Just 4 Weeks. Line your way to fuller, longer gorgeous lashes with natural active ingredients. Line n grow Lash Lengthening Tinted Eyeliner is perfect for anyone wanting longer fuller looking eyelashes, especially beneficial for those with short, brittle and/or thin lashes. Clinical studies have shown that Line n Grow is safe for contact wearer and/or sensitive eyes. Lash Lengthening Tinted Eyeliner Strengthens and repairs thin short lashes, while enhancing the appearance of your own natural lashes. Active Ingredients + Benefits: S weet Grape Seed Extract. Rh7-Polypeptide. Malus Domestica. Powerful antioxidant, protects from environmental stress. Strengthens, rejuvenates and promotes healthy looking lashes. Protects skin stem cells and delay the aging of hair follicles. Conditioning Ingredients + Benefits: Sodium Hyaluronate. Panthenol. Aloe Leaf Extract. Japanese Green Tea Extract. Rosemary Extract. Helps retain moisture and strengthens lashes. Promotes thicker shinier lashes. Beneficial in stimulating new lash production. Potent antioxidant and conditions lashes. Helps strengthen lashes. Safe for contact wearers and sensitive eyes. Not tested on animals No harmful side effects Dermatologist tested Paraben free Fragrance free.