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.
Gel Polish Addict and Nail Art Enthusiast. Stamping Polish List. I have a lot of people ask me about the best polishes for stamping and while I think most of the Konad polishes made specifically for stamping offer the most opaque, crisp results, there are other regular nail polishes out there that I have had good results with.