The core ingredient, keratin, can effectively repair damaged hair and fill the holes in the hair's internal structure during the straightening process, making the hair strong and healthy. Secondly, it can achieve a permanent straightening effect, and the treated hair will remain straight and smooth for a long time and will not easily deform. Furthermore, this straightening cream is relatively easy to use, and both professional hairdressers and ordinary consumers can follow the instructions to do it themselves. Finally, compared with traditional straightening products, it causes minimal damage to the hair, allowing the hair to have ideal straightness while still retaining its natural luster and elasticity, showing its elegant charm.