Sarfati grew up in Legnica;[2] during her time in Poland, she took her first professional training, a medically oriented skin care course.

[7] The couple had two children, and to support them, Lydia worked as an esthetician in Queens and, in the evenings, received private customers at the makeshift beauty salon she had improvised at her home.

One of the most successful products was the full body treatment based on seaweed, the use of which Sarfati pioneered in the United States.

The company's headquarters are located in Secaucus, New Jersey, where Repêchage runs a 50,000 square foot, ISO 9001:2015 certified manufacturing, research, and development facility as well as a post-graduate esthetics academy.

[13] Sarfati published Success at your Fingertips, which covers all aspects involved in running a skin care business.