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It works by binding to the epidermal growth factor receptor (EGFR). Once EGF binds to specific receptors on the surface of responsive cells, it promotes receptor dimerization and phosphorylates cytoplasmic sites. Activated receptors can bind to at least 5 proteins with different signal sequences for signal transduction. EGF can widely promote cell proliferation.Epidermal growth factor can stimulate various cells originating from the ectoderm and endoderm, such as corneal epithelial and endothelial cells, epidermis, dermis cells (such as fibroblasts), mammary gland acini, and stromal cells, to promote their proliferation and migration, accelerate metabolism, and achieve the effect of skin rejuvenation.Moisturizing the skinEGF can promote the biosynthesis of DNA, RNA, and functional proteins, as well as the synthesis of extracellular macromolecules (such as hyaluronic acid, elastin, etc.), increase skin moisture content, thereby increasing skin elasticity and moisturizing. Recombinant human epidermal growth factorEliminating wrinklesEpidermal growth factor promotes the active transport of cellular nutrients from the outside to the inside, increasing intracellular nutrition. Promote the secretion and synthesis of functional molecules such as collagen fibers, polysaccharides, and glycoproteins by dermis cells, making subcutaneous dermis tissue full and muscle fibers arranged neatly and tightly, thereby reducing and eliminating wrinkles.Repair traumaBy binding with EGF receptors, it stimulates epidermal cells (including epithelial cells from various tissue sources and various stromal cells) to enter the cell division cycle, initiating the activation, expression, and secretion of bioactive proteins of some important functional genes within the cell. Promote the linear arrangement of collagen fibers, promote the rapid and regular growth of epidermal cells, and timely cover the wound surface. Significantly accelerate wound healing after cosmetic surgery, plastic surgery, and other skin injuries, while maintaining a smooth and even surface, reducing or disappearing blemishes, and reducing pigmentation.Prevent pigmentationEpidermal growth factor has a strong promoting effect on the proliferation of epidermal cells. After use, epidermal cells become younger, resulting in less accumulation of pigments and dead cell residues in epidermal tissue, making the skin appear tender and flawless, eliminating abnormal skin manifestations such as pigmentation and pigmentation. The use of EGF during the treatment and recovery phases of freckle removal can effectively curb the recurrence of pigmentation