Promote skin cell metabolism and sunscreen plant extracts

2013-01-26 classification: efficacy effect: 0 people commented that the essence of skin natural aging is the imbalance between skin cell proliferation, differentiation, cell aging and apoptosis Therefore, promoting the proliferation of new skin cells and the apoptosis of aging cells, that is, promoting cell metabolism, is an important way to solve the problem of skin natural aging In addition, ultraviolet light in the sun is also the main cause of skin aging UV irradiation can cause skin erythema and delayed melanin pigmentation, damage the skin's moisturizing ability, make the skin rough and wrinkle increase, so using sunscreen cosmetics containing UV scattering agent and absorbent has become an effective means to protect the skin from UV damage AHA refers to the acid extracted from natural fruits and vegetables It can effectively penetrate into the pores, control various skin diseases, help the exfoliation of keratinocytes, promote the production of new cells, metabolize melanin, improve roughness, make the skin shiny, smooth and tender It has been reported that different concentrations of fruit acid can reduce the condensation force between epidermal keratinocytes, remove aged keratin, improve rough, dark and tone skin But the fruit acid will also stimulate the skin, make the skin thinner and vulnerable to ultraviolet rays, so pay attention to sunscreen in the use process At present, both at home and abroad are committed to the screening and development of natural sunscreen He Xili et al Found that rutin, an effective extract from Sophora japonica, is an ideal natural sunscreen Guo Ling and others found that the effective components of Scutellaria baicalensis extract also have the function and value as a natural sunscreen In addition, aloe, licorice, shikonia, cinnamon, seabuckthorn, white Ganoderma in the application of sunscreen has also been reported.