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What is the use of plant extracts in skin care products?

2021-03-30

In recent years, more and more people pursue natural and safe skin care, so there are many skin care products with plant extracts as selling points, even the ingredients of skin care products are no exception. Many bloggers and Jimei who care about skin care are quite concerned about plant extracts. Some said that skin care products contain plant extracts, will not cause irritation to the skin; Some also say that it is useless components, no use.

Plant extracts are becoming more diverse
In recent years, as the concept of plant safety has been deeply rooted, the exploration and development of plant raw materials in China has also been accelerated.

With the release of the Chinese Pharmacopoeia 2020 edition, it can be seen that the number of varieties of traditional Chinese medicine has exceeded the number of varieties of chemical drugs. This further indicates that plant extracts are increasingly widely used in cosmetics.

Definition: plant extract refers to the biological small molecules and macromolecules as the main plant products formed for the purpose of separating and purifying one or more effective components in plant raw materials by means of physical, chemical and biological methods.

An inventory of well-known plant extracts

People who pursue plant extracts generally consider them mild, soothing and non-stimulating, and they are suitable for most people. But it's more than that.

Salicylic acid: Salicylic acid from willow bark, in addition to the well-known blackhead, to close the mouth and oil control and other functions, but also by inhibiting PGE2 and reduce inflammation and play an anti-inflammatory and anti-pruritic effect.

Arbutin: extract the leaves of bear fruit. Its main components are glucoside and phenols. It mainly inhibits the formation of melanin by inhibiting the activity of tyrosinase, and has a good effect of fspeckling and removing local melanin. Arbutin is a relatively mild and effective whitener.

Pycnogenol: Extract from the bark of pine trees to help protect skin against ultraviolet light and whiten skin. Can inhibit the production of inflammatory factors, help the skin to resist the harsh environment; Mainly is to increase skin elasticity, promote hyaluronic acid synthesis and collagen synthesis, anti-aging.

In addition to the above, here are some well-known restorative, soothing, anti-inflammatory... Extracts.

The horse tooth to find:
Purslane extract can inhibit the activity of tyrosinase, prevent the synthesis of melanin, has a certain whitening effect; It has obvious inhibitory effect on hyaluronidase, so as to realize the effect of inhibiting allergic reaction.

It can inhibit the apoptosis of keratinocytes and fibroblasts, reverse the differentiation of keratinocytes, protect human skin cells from UV induced cell damage, and play the role of soothing and repairing the skin barrier function.

Application:
Centella has been used for thousands of years to remove scars and promote wound healing.

Modern studies have shown that Centella asiatica related extracts can promote the growth of skin fibroblasts, promote the synthesis of skin collagen, inhibit inflammation, and inhibit the activity of matrix metalloproteinases. Therefore, Centella asiatica can repair skin damage, slow down skin ulceration, remove scars and repair, promote the regeneration of aging skin, remove stretch marks and other effects.

Witch hazel:
Hamamelis has the function of promoting lymphatic blood circulation, has the effect of calming and soothing, has the effect of improving acne, has a very good effect on oily skin or allergic skin, has the effect of soothing, astringent and antibacterial, and can obviously astringent the bulky pores, prevent blackhead, and make the skin more delicate, smooth and beautiful.

There are many excellent extracts play various roles. Cosmetics prepared by plant extracts as active ingredients have many advantages compared with traditional cosmetics. They overcome the shortcomings of traditional cosmetics that rely on chemical compounds and make the products more safe. Natural ingredients are more easily absorbed into the skin, making the product more effective. More functional, etc...