RevitaLash Limited Edition Advanced Eyelash Conditioner moisturizes your eyelashes from outside in, making them longer and fuller within weeks. The active ingredients in the serum are non-irritating. Original, one-of-a-kind, Ophthalmologist developed eyelash conditioner that enhances the look of lashes and protects against breakage, while improving health, flexibility and strength, for lashes that thrive, naturally. Comes in 2 ml pack.