Fibronectin is a macromolecular extracellular membrane protein present on the surface of various animal cells, and is the main non-collagenous glycoprotein in the extracellular matrix and basement membrane. It mainly regulates and activates the characteristics of cells through fibronectin, regenerates and repairs damaged cells, and repairs the cellular microenvironment.

The length of telomeres at the ends of our chromosomes determines, to a certain extent, our human lifespan. Because every time a cell divides, the telomeres at the top of the chromosomes shorten once.

Tretinoin is an intermediate product of vitamin A, which mainly affects bone growth and promotes epithelial cell proliferation, differentiation, keratolysis and other metabolic effects. For the treatment of keratinizing diseases such as acne vulgaris (pimples), psoriasis (psoriasis), ichthyosis, lichen planus.

Superoxide dismutase (SOD) is an enzyme that promotes the decomposition of toxic superoxide radicals into ordinary molecular oxygen (O2) or hydrogen peroxide (H2O2). Hydrogen peroxide is also destructive, but less destructive than superoxide radicals, and it is also degraded by catalase.