NULASTIN is the only rejuvenating formula for lashes, brows, hair & skin that contains Elastaplex® with patented technology – a bioidentical version of "the youth and beauty protein" elastin. Originally created as a treatment for wound healing, this pioneering approach involves manufacturing proteins using DNA biotechnology.  Products are skin safe, ethically produced, clinically evaluated, naturally derived, paraben-free, vegan-friendly, gluten-free, proven safe, and made in the U.S.A.