OPI Start To Finish Formaldehyde-Free in 1 treatment – Base Coat, Top Coat & Nail Strengthener
This small but mighty bottle packs a punch.
OPI Start To Finish Formaldehyde-Free Formula.
Acts not only as a base and top coat, but also as a gentle nail strengthener too.
What is a nail strengthener?
A nail strengthener is used to nourish your nails in the long term to promote stronger and healthier natural nails.
Does nail strengthener go on before or after Polish?
- OPI Start To Finish Nail Treatment