Adds measurable thickness and length to lashes when used as a primer for mascara. Allows you to use less mascara. Can be used on eyebrows and worn alone at nighttime as a lash conditioner. Key ingredients: Algae Extract conditions and protects brow hairs, making them healthier, smoother and more manageable; Panthenol Vitamin B Complex Factor used to condition hair; Hydrolyzed Wheat Protein thickens, curls and strengthens lashes.