About this product ⁦Spray with hair strengthening effect Professional formula with a specific pH (7.5-8.0), suitable for all hair types and is the starting point for strengthening, protecting, repairing, and preparing the hair to achieve the maximum effects from the technical treatments that will follow. Thanks to the Trichopower Science based on a mix of essential peptides and standardized plant extracts, the hair will be visibly stronger and healthier. 150 ml 5.07 fl. Oz **I do not see an expiration date on this item**