Soak of Gels LACQUERING is the only gel polish line in the world without phenolic hardener, which is harmful. The compositions are labeled as TPO FREE (trimethylbenzoyl diphenylphosphine oxide-free). All acrylate formulas are methacrylates (HEMA and DI-HEMA), which do not dry out the natural nail's structure or damage the nail plate's protein. Moreover, the gel is easily and comfortably removed by soaking, and it does not penetrate into the upper protective layer of keratin on the nails. Each bottle needs to be QUICKLY SHAKEN, akin to a "thermometer," prior to coating in order to stabilize the consistency's density. This process makes the gel thicker and easier to work with, allowing you to apply a second layer of