Straightening No Formol by Prohall is a premium professional hair smoothing treatment designed to deliver sleek, frizz-free results without the use of formaldehyde. Enriched with tanino acid and Burix, it deeply nourishes, strengthens, and smooths hair while providing long-lasting straightening effects. This advanced formula is perfect for salon professionals and individuals looking for a safe and effective solution for smoother, shinier hair."