Nu Skin commissioned a clinical study to evaluate the results of using Nu Colour Lash + Brow Serum for 12 weeks. Clinical grading of visible results was assessed at baseline, week two, week four, week eight, and week 12.

By week 12, clinical graders observed: • 101.9% improvement in each subject’s general eyelash appearance • 53.2% improvement in each subject’s visible eyelash length • 103.9% improvement in each subject’s general eyebrow appearance

In the same study, participants were asked for their self-perception of results. The following percentages of participants agreed with these statements: Lashes • 100% agreed “My lashes look fuller than before using this product.” • 96.7% agreed “My lashes look thicker and more voluminous.” • 96.7% agreed “My lashes are conditioned and protected.” • 96.7% agreed “My lashes look revitalized.” • 96.7% agreed “My lashes feel nourished and conditioned.” • 96.7% agreed “My lashes appear healthier after using this product.” • 96.7% agreed “This product strengthens my lashes.” • 93.3% agreed “This product lengthens the appearance of my lashes.”

Brows • 100% agreed “My brows are visibly bolder.” • 100% agreed “The product provides a luxurious look.” • 100% agreed “My brows feel nourished and conditioned.” • 100% agreed “My brows seem less brittle (they feel stronger).” • 100% agreed “My brows look more youthful.” • 100% agreed “My brows are more manageable.” • 96.7% agreed “My brows look more defined.” • 96.7% agreed “The product helps combat brow breakage.”