KUSH LASH + BROW SERUM. Benefits: Conditioning lash and brow serum. Improves appearance of lash and brow thickness. Supports healthy hair follicles for longer-looking lashes and brows. Hemp seed extract helps strengthen hair for healthier-looking lashes and brows. See results in 4 weeks, with full payoff after 12 weeks. Prostaglandin-free. Ophthalmologist-tested. Paraben-free, silicone-free, fragrance-free, and gluten-free. 94% natural. Key Ingredients: Hemp seed extract hydrates and conditions lashes and brows. Plant peptides create the appearance of lash and brow thickness. Quinoa supports healthy hair follicles. Research Results: In a consumer perception study after 12 weeks:. 94% of subjects reported healthier-looking lashes. 89% of subjects reported more visible lashes and bolder-looking lashes. 89% of subjects reported improved lash appearance and improved brow appearance.