Worn under, over or on its own, this unique treatment is a base coat, a top coat & a strengthener. Healthy, normal nails need proper care. My formula is enriched with argan oil & a mix of vitamins A, C & E enriches & smoothes. Performance evaluated in clinical testing: 45% stronger feeling nails in 5 days*. 88% smoother feeling nails instantly*. * Average score improvement from expert evaluations.