While the market for traditional manicures and pedicures is well below pre-pandemic levels as consumers are reportedly largely satisfied with DIY options, services that require a high level of skill by trained nail technicians are the ones that grew the fastest in 2021. They are, thus, expected to help the industry fully recover in the coming years.     Nail enhancements, which are best performed by trained technicians, were the fastest-growing category in the global professional nail ca...