When should a strand test be performed during a relaxer service?

A strand test is an essential step in the relaxer service process, and it is typically performed before starting the service. This practice allows the stylist to assess the hair’s response to the relaxer. By taking a small section of hair and applying the relaxer, the stylist can evaluate the hair's texture, elasticity, and overall condition, which helps determine the appropriate processing time and confirm that the hair can handle the chemical treatment safely.

Conducting the strand test prior to the main application helps to prevent potential damage and over-processing that could occur if the relaxer were applied without understanding how the specific hair type reacts to the chemicals. This preventative measure is crucial for ensuring the health of the hair and achieving the desired results.