High-tech biotechnology was adopted. Xinyi scar removal products adopt high-tech biotechnology, which has excellent scar removal effect and high safety. Its core component, chitosan quaternary ammonium salt silica gel, is a natural bioactive substance, which can promote wound healing and reduce scar formation. Xinyi scar-removing products are also added with plant extracts, which can effectively relieve the discomfort caused by scars and improve the quality of life of users.