L’Oréal Professionnel Série Expert Metal DX Professional Pre-Treatment is a specialized hair care solution designed to prepare and protect strands before chemical services. This 500 ml formula works to shield hair from potential damage while enhancing the effectiveness of professional treatments. Ideal for salons and professionals working with color-treated or chemically processed hair, it helps maintain hair integrity and vibrancy. The pre-treatment creates an optimal foundation for service application, making it an essential step in professional hair care routines. Trust L’Oréal’s expertise in delivering salon-quality results at home or in professional settings.





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