Start To Finish
Start To Finish
Formaldehyde-Free Formula
- Convenient and gentle 3 in 1 formula! Formaldehyde-free Base Coat, Top Coat, and Nail Strengthener.
How to thin OPI Formaldehyde Free Nail Strengthener?
- OPI suggests the use of OPI Nail Lacquer Thinner. OPI Lacquer Thinner is designed to bring polish consistency back to normal by replacing evaporated solvents.
How to Use Start to Finish a 3-in-1 Treatment
3-in-1 treatment: This small but mighty bottle packs a punch.

All You Need in One
Our OPI Start To Finish Formaldehyde-Free Formula acts not only as a base and top coat but also as a gentle nail strengthener too.
Complete Nail Care
Like many of our other nail strengtheners, OPI Start To Finish Formaldehyde-Free Formula provides maximum strengthening with hydrolyzed wheat protein and calcium for harder, longer, stronger, natural nails.


How to Properly Apply Nail Polish
We love nothing more than a fresh mani, but there are a few key steps to ensuring your nails are looking their best even when you don’t have time to run to the salon.