plant extracts are more and more widely used in cosmetics

Green and functional cosmetics are more and more favored by people. As plant extracts are more and more widely used in cosmetics, more and more varieties are used. Compared with traditional cosmetics, cosmetics prepared with plant extracts as active ingredients have many advantages, such as overcoming the shortcoming of traditional cosmetics relying on chemical composite products, and making the safety of products higher; Natural components are more easily absorbed by the skin, making the effect of the product more significant; Functional more prominent, etc. Therefore, the application of plant extracts in cosmetics is the inevitable trend of market development. In addition, plant extracts have many obvious advantages, such as wide source and targeted mechanism of action. Especially with the progress of modern extraction technology and analysis technology, its effective ingredients and related mechanisms of action have been gradually discovered and confirmed by people, in the sunscreen, whitening, anti-aging, sterilization and other aspects of significant efficacy, can be widely used in various cosmetics. Therefore, the application prospect of plant extracts in cosmetics is very broad.

Seaweed extract: Seaweed extract is a natural Marine biological extract, which contains alginic acid, crude protein, a variety of vitamins, enzymes and trace elements. After absorption by the skin, such nutrients can reduce surface blood lipid and improve skin hematopoietic function. There are a large number of anions in seaweed, which can stimulate fiber cells to produce collagen and elastin, promote skin metabolism, anti-wrinkle, anti-aging. Algae are also rich in iodine, which stimulates oxygen levels in cells. The common spirulina is a single-celled algae that is rich in protein and antioxidants. White algae is a kind of anti - inflammation and can enhance blood circulation algae. At present, seaweed extract has been widely used in the cosmetic field of facial care and body care.
2.2 Tea extract: Tea polyphenols are extracted from tea leaves and are the general name of polyphenols in tea. Studies have shown that tea polyphenols and other active substances have detoxification and anti-radiation effects. It is also a new type of natural antioxidant, which has a strong antioxidant effect at room temperature and low concentration. It has an inhibitory effect on collagenase and elastase, which can prevent the content of elastic protein from decreasing or denaturating, maintain skin elasticity and achieve anti-wrinkle effect. In addition, tea polyphenols are water-soluble substances, with disinfection, sterilization, anti-aging skin, reduce UV radiation in the sun to skin damage and other effects. Most of the current sunscreen are oil-soluble compounds, some of which are locally irritating to the skin. Therefore, as a water-soluble sunscreen with UV absorption, tea polyphenols are of great significance. Tea polyphenols can block UV rays and remove UV-induced free radicals, thus reducing the generation of melanin and inhibiting the activities of tyrosinase and catalase. So as to achieve the effect of whitening.
2.3 Wheat or rice germ extract: The germ oil extracted from wheat germ or rice germ is naturally high in vitamin E, which is an excellent antioxidant and emollient. Studies have shown that natural vitamin E is easily absorbed by the skin, can promote the normal development of muscles and skin metabolism, so as to maintain skin elasticity, keep skin and body vitality; At the same time, natural vitamin E can directly enter the skin cells to help the skin fight against free radicals, ultraviolet rays and pollutants, prevent pigmentation, prevent the skin from losing elasticity due to some chronic or hidden injuries until aging. In addition, vitamin E acts as an antioxidant, which can make cosmetics last longer. In recent years, a certain amount of natural vitamin E has been added into the formula of more and more sunscreen products, anti-skin products and other beauty products to play a role in whitening, skin care and anti-aging effect, which has become the mainstream of nutritional cosmetics in the international market.
2.4 Grape seed extract: Grape seed extract contains proanthocyanidins. Proanthocyanidin is the general name of a large class of polyphenol compounds widely existing in the plant kingdom. It is a new and efficient natural antioxidant extracted from grape seed which cannot be synthesized in human body. It is currently found in nature antioxidant, free radical scavenging ability of the strongest substance. Its antioxidant activity is 50 times that of vitamin E and 20 times that of vitamin C. Because of the unique chemical and physiological activities of proanthocyanidins grape seed extract has been widely used in the field of cosmetics. Grape seed extract can be used to resist free radicals, anti-aging, help the absorption of vitamin C and E, reduce UV damage, reduce melanin precipitation, prevent the destruction of collagen fibers and elastic fibers, keep the elasticity and tension of skin, avoid skin sagging and wrinkles. Many plant extracts have been used in skin care cosmetics, such as ginseng cream made of ginsenoxib, sea buckthorn Day cream made of sea buckthorn extract, Salvia miltiorrhiza acne cream made of salvia Miltiorrhiza extract and licorice skin cream made of licorice extract.
In cosmetics, we are most familiar with fragrance products is perfume, which is widely used in our life. The fragrance of spices not only realizes people's pursuit of beauty, but also has an important effect on people's psychology and physiology. The active components of aromatic plant extracts can act on the limbic system of the brain, affecting people's mood, mental activity and memory.
3.1 Lavender extract: Lavender is a commonly used spice, it has a number of varieties, the Mediterranean is the best. The aroma of lavender extract, which acts mainly on the suture between the left and right brain, boosts the production of the neurotransmitter serotonin, which is low in the blood of people with depression and insomnia. Lavender accelerates the secretion of this substance to soothe mood, induce sleep, balance and regulate various symptoms.
3.2 Rosemary extract: The main function of rosemary, also known as tansy chrysanthemum, is astringent and antioxidant. The main components of its antioxidant are carnol, carnoic acid, rosemary, ursolic acid, rosemary acid and other effective components of the fragrance extract have a strong affinity with natural organic fat, so it is often combined with organic fat to make agglutination. Rosemary essential oil is a liquid oil made up of more than 30 volatile substances. The aroma of rosemary extract is mainly used in the brain of walnut and hippocampus, so rosemary has the function of improving people's attention and memory. Experiments showed that the aroma of two essential oils, rosemary and lemongrass, increased arousal and survival desire in depressed mice.
3.3 Rose extract: Rose essential oil is composed of volatile substances with low relative molecular weight, and its main component is citronellol. Fragrance, known as the "natural plant essential oil after", widely used in beauty, body and perfume cosmetics fragrances. After the natural aroma of rose essential oil enters the brain by the olfactory nerve, it can stimulate the secretion of endorphin and endorphin two hormones in the anterior lobe of the brain, which makes the spirit present the most comfortable state and can make women have a positive feeling about themselves. Rose essential oil has good permeability and fusion. By directly stimulating various metabolic reactions of skin cells, strengthening the excretion of cytotoxins, activating cell regeneration ability, enhancing blood flow, so as to achieve the purpose of inhibiting the activity of oxygen free radicals and controlling the oxidation of tyrosinase. After entering the human body, the natural fragrance of rose essential oil can regulate endocrine organs, promote the secretion of hormones, and make people feel happy and comfortable. It can not only help people get rid of depression, depression, tension and fear, but also help the heart and digestive system, so that people's physical and psychological activities get a good development.
3.4 Jasmine extract: Jasmine essential oil is known as the "king of essential oils". It takes about 8 million jasmines to extract 1 kg of essential oil. Its main chemical components are acetyl acid, linalool, phenyl ethyl alcohol and jasmonone. Jasmine essential oil is a kind of red brown clear thick liquid, belongs to the wood family essential oil, taste sweet, exotic and elegant smell. It is an effective treatment for severe mental depression. The aroma of jasmine essential oil can relieve depressed mood, soothe nerves and build a sense of confidence, optimism and cheerful spirit. In steam therapy, jasmine essential oil can be used to treat addiction, lift spirits, soothe jitters and coughs, promote relaxation and stop tension. In addition, jasmine essential oil is suitable for treating dry, oily, irritating and sensitive skin, increasing skin elasticity and making skin feel tender. There are a wide variety of plant essential oils that can be used in cosmetics, such as vanilla oil, citrus oil, bay oil, leaf oil, coriander oil, atractylodes oil and peppermint oil.
The use of natural pigments extracted from plants to dye hair can avoid the pollution of chemical reagents to the environment and people. In addition, in hair care, plant extracts can improve head skin, promote metabolism, improve cerebral cortex blood circulation, and enhance hair quality. In addition, plant extracts can balance scalp oils, reduce dandruff, treat hair loss, and increase hair luster.
4.1 Ginger extract: The main components of ginger extract are a variety of compounds such as gingerenone, gingerenol and gingerenol. In addition, there are a variety of amino acids, which have the effect of promoting blood circulation. Apply ginger extract on scalp, it can promote scalp microvascular blood circulation, regulate blood flow, consolidate hair roots, activate hair follicle tissue, make hair root nutrition absorption normal, so as to improve hair loss. In addition, ginger extract can also treat dandruff. In 1987, the world Dermatology Conference confirmed that the cause of dandruff is closely related to a fungus called "pyrrhomycete." The ethyl extract of ginger can treat dandruff because it has an obvious inhibitory effect on microorganisms.
4.2 Polygonum multiflorum extract: The main components of polygonum multiflorum extract are lecithin, emodin, chrysophanol and Huixing derivatives, etc. Its main functions are anti-aging, improving the immune system, lowering blood lipids, anti-atherosclerosis, protecting myocardium and antibacterial, etc. The anti-aging of Multiflorum multiflorum is related to the antioxidant effect. Since the generation and deposition of lipid peroxidation can cause a series of aging symptoms, Polygonum multiflorum extract has a very obvious inhibitory effect on the generation of lipid peroxides in skin, and can be used as a good additive for skin anti-aging cosmetics. Polygonum multiflorum multiflorum is a traditional hair product. Due to its warm nature, it can nourish hair, give hair deep nutrition, and make hair black and beautiful. Hence the name Shou Wu.
.3 Peppermint extract: The main chemical components of peppermint extract are menthol, menthol, menthol and menthol, and other components, including heresy leaf, menthol sugar and a variety of free amino acids. Peppermint oil, the main component of peppermint extract, can stimulate the central nervous system, make the skin telangiectasia, increase ATP synthesis and sweat gland secretion, and play the effect of heat dissipation. Therefore, the peppermint oil added to the shampoo in the right proportion has a good cooling effect, refreshing and refreshing, and eliminating fatigue. Peppermint extract also has inhibitory effect on simple scab virus, forest virus, Staphylococcus aureus and Staphylococcus albus. The latest research shows that the symptoms of dandruff and itchy hair are caused by the reproduction of fungi on the scalp. Therefore, the anti-inflammatory and bactericidal effect of peppermint extract used in shampoo can inhibit the reproduction of bacteria, kill some fungi and toadomyces, and have a better effect on hair diseases such as dandruff, tinea capitis, itchy head and excessive oil. In addition, menthol derivatives, complexes - menthol salicylate and menthol anthranilate are also widely used in mint series of new products such as hair regeneration essence.
4.4 Sage extract: Sage is a plant belonging to the genus Salvia in the labial family, which originated in the north coast countries of the Mediterranean, and is now also planted in the south of China. Sage contains essential oils, mushrooms, polyphenols, and c. compounds. Sage essential oil has a strong fresh aroma, can be used in cosmetics fragrances, aromatherapy and perfumes. Salvia extract has inhibitory effect on dicoolase phosphate. Dicoolase phosphate is an enzyme that converts free fatty acids into coolase, and its inhibition means less oil production. In addition, in the adipose tissue digestion test, salvia extract can increase the hydrolysis of oil. The contraction effect of sage extract on collagen fiber group can be used as a tightening agent to astringent large pores. According to the above characteristics of sage extract, appropriate amount added to shampoo is especially suitable for oily hair, can well control oil and shrink pores, has an effect on greasy hair, and has a good auxiliary effect on seborrheic alopecia. The plant phenols contained in sage extract can significantly inhibit infections caused by fungi and mold, so it can be added to shampoo to remove dandruff, cure tinea capitis and scalp itching, long-term use can make hair black and bright.
There are many plant extracts used for hair care, such as tea soap, bamboo extract and chrysanthemum extract. In addition, plant extracts, especially natural plant pigments, are also widely used in beauty cosmetics, such as lipstick made of capsicum red pigment as raw material and hair dye made of various plant extracts.
In recent years, cosmetics around the world have two major development trends: one is to advocate nature and strive to use natural plant materials in cosmetics; the other is that consumers increasingly pursue the efficacy of cosmetics, so that more high-active ingredients become effective ingredients in cosmetics. Under this trend, cosmetics with plant extracts as active ingredients are bound to have broad market prospects. It is particularly important to point out that cosmeceuticals with Chinese herbal extract as raw material is a bright spot in the development of cosmetics. It combines the characteristics of skin care products and Chinese herbal medicine. Chinese herbal medicine is both natural and has significant curative effect, so as to solve different skin problems and effectively improve the skin quality. Domestic research on cosmetics with Chinese herbal ingredients is becoming more and more active. At present, there are hundreds of kinds of Chinese herbal cosmetics in the domestic cosmetics market, and this market with Chinese characteristics will have broad prospects for development. Of course, the application of plant extracts and Chinese herbs must also be based on the system of scientific application. It is not only necessary to further strengthen the analysis of the functional components of plant extracts and their mechanism of action. Scientific research on its side effects and safety performance should also be strengthened. It is not only necessary to further increase the development of plant extracts in various cosmetic applications; Research on advanced extraction techniques to ensure product safety should also be strengthened. It is believed that in the future research and application, plant extracts will better serve human beings with its natural characteristics, good curative effect, high safety and reasonable cost.

In the application of clean cosmetics Clean cosmetics used to remove the skin and hair of the human body secretion and metabolic process produced by the unclean substances, such as cleaning cream, facial cleanser, body wash, etc. Adding plant extract cleaning products can effectively remove sebum, sweat stains and external dust, with strong sterilization and surface activity. 1.1 Aloe extract: Aloe belongs to the lily family herbaceous plant, native to Africa. At present, the most widely used variety in cosmetics is aloe Curacao, which is rich in a variety of trace elements, amino acids, vitamins, ximylic and phenols and other active substances. The main part of aloe used in cosmetics is its leaves, and the main components are loh and jukun, such as aloin, aloin, aloin emodin and so on. Aloicrin plays a role in inhibiting tyrosine activity, inhibiting melanin production and inhibiting tyrosinase-related protein gene expression. Aloe polysaccharides and vitamins have good nutrition, moisturizing and whitening effects on the skin. Aloe vera gel can be used in wetting products. The gel is compatible with not only anionic but also cationic or non-ionic systems. Adding aloe vera gel to soap can make the soap clean without drying out the skin, and because of the mild nature of the gel, the soap made does not pose a risk of irritation.
1.2 Hamamelis extract: The common name of hamamelis is "honeysuckle flower". The main components of the extract are hamamelis tannin, Wuxin seed, caffeic acid and flavonoid derivatives. Has the effect of promoting lymphatic blood circulation, has the effect of calming and calming, has the effect of improving acne, has the good effect for oily skin or allergic skin, has the effect of soothing, astringent and antibacterial. Witch hazel extract added to face wash is a great choice for adolescents or oily skin. Witch hazel extract can quickly penetrate into the skin, deep clean skin, prevent blackheads, acne, make the skin more smooth and beautiful.
1.3 Soybean extract: Soybean lecithin, also known as soybean lecithin, is the phospholipid precipitated in the degumming process of refined soybean oil, which contains lecithin, lecithin, cardiolipin, phosphocolic acid, phospholipid phthalein, acetal phospholipid and lysolipid, etc. Soybean lecithin is a kind of natural nutritive enhancer and a kind of natural surfactant. It has excellent transdermal absorption effect, can make the effective ingredients in skin care products quickly penetrate into the deep skin, and greatly improve the transdermal absorption rate of tissue cells, so that various effective ingredients play a greater role. In addition, on the skin, soy lecithin can form thin monomolecular lipid or oligomolecular membrane, these membranes have colloidal properties, can effectively slow down the external irritation and injury to the skin, protect the skin from detergent degreasing effect. Therefore, it is often added to cleaning cosmetics, to remove the secretion and metabolism of the human body produced in the process of unclean substances, effectively protect the skin from the stimulation of cleaning agents. The colloidal properties of soy phospholipids not only protect the skin, but also stabilize foams and emulsions to some extent. Soybean lecithin combined with anionic and cationic surfactants can stabilize the foam, give the skin with a greater fat effect, make the skin soft, prevent excessive sebum removal. Adding soy lecithin to shaving creams and soaps softens whiskers and creates fine foams that prevent dryness.
1.4 Silver Yao leaf extract: Silver Yao leaf extract contains more than 160 components, mainly flavonoids, mushrooms, organic acids, organic alcohols, minerals, vitamins, amino acids, etc., among which flavonoids is a powerful oxygen free radical scavenger, can protect skin cells from the effects of oxygen free radical oxidation. Adding Yinyao leaf extract to cleansing cream can not only thoroughly remove dirt from deep pores, so that the skin will glow with the natural moisture, but also prevent the formation and deposit of pigment in the dermis, so as to achieve the role of whitening skin and preventing pigment patches. In addition, the endocoolants in Yinyao extract have broad-spectrum bactericidal effects. Yinyao Natural Foaming Cleansing cream can treat a variety of skin disorders such as tinea scar, spasm, and broken hands. Similar plant extracts also include Ursa smoothie, angelica, chamomile, mulberry, licorice, mango, yellow and so on.
1.2 Application in skin care cosmetics Natural plant extracts can be added to skin care cosmetics, which can be used to hydrate, moisturize and moisturize the cuticle, and have the effect of removing free radicals in the skin, promoting metabolism, anti-wrinkle, whitening and comprehensive improvement of skin function.