Kérastase Paris debuted the Kérastase Institute, a treatment-oriented hair lab located within the Samuel Shriqui salon on New York City’s Upper East Side. According to the company, the new Institute helps clients address and treat a multitude of hair concerns while complementing the expert cut, color and styling services offered at Samuel Shriqui, which is also the Essie flagship salon.   The Kérastase Institute occupies a 1,200 sq. ft. footprint inside the salon, which includes two glass w...