The distance of migration is inversely correlated with the molecular weight of the protein (small proteins move faster through the gel than large proteins do and therefore migrate further down the gel).
Shellac is the most expensive of the gel nail polishes on the market, and the bottles are half the size of the competition. The higher cost for the salon owner is one reason Truong believes other salons might not correct you if you ask for Shellac but choose a different gel polish when picking your color.
Itâs the newest and most popular service on the market. Gel polish is a thinner and more flexible than standard acrylic enhancements, and itâs all the rage right now because it doesnât chip as easily as regular paint. And you can totally do them yourself and save big-time on trips to the salon. But gel nails have to be done right.