Basic Cosmetic ingredients for DIY cosmetics
More than 70 percent of cosmetic ingredients are labeled as refined water. Water was not the first simple additive, but now it has been given more functions. The most representative is glacier water, green tea water and so on. People are getting stronger and stronger about the importance of water. After all, it's just a new marketing strategy for cosmetics companies.
2. Oily components
It can prevent skin moisture loss, oil and grease (olive oil, camellia oil, etc.), wax (jojoba oil, palm wax, etc.), high oil (stearic acid), high alcohol (cetyl alcohol, isopropanol, etc.), hydrocarbon (squalene, etc.), ester (isopropyl, etc.), silicon, etc.
3. Interfacial surfactant
An ingredient that combines oil and water. Interfacial surfactant is an ingredient that makes oil and water soluble. It is indispensable to remove dirt such as sebum from water. Cosmetics in the city of water and oil contain interfacial agents such as lotions and creams. The interfacial surfactant will play a role of dissolving oil to fuse it with water and naturally dissolve the moisturizing ingredients on the skin surface. If used too much, the skin will become rough. But there are different types of surfactants and different levels of skin irritation. In addition, the skin's surface itself has natural surfactant ingredients that emulsify sebum and water to protect the skin.
4. Moisturizer · hydroxyl compound
For cosmetics moisturizing ingredients, generally can be divided into two types: hydrophilic and lipophilic and hydrophilic moisturizing factor is water soluble, including glycerin, collagen, hyaluronic acid and vitamin B5 can absorb moisture, let corneous layer to maintain moisture, in simple terms, the hydrophilic moisturizing ingredients, is responsible for the skin filling water work, composition and hydrophilic is plays the role of water, can form a protective film in the skin, reduce the rate of moisture loss, such as: jojoba oil, wheat germ oil, sunflower oil, etc.
Although the polymers used in cosmetics can be classified from different angles, the most widely used method is to classify them into three categories: natural polymers that exist in nature, semi-synthetic polymers produced by treating natural polymers with chemicals, and synthetic polymers produced by monomers. Polymers are used primarily to regulate ingredients annually or to maintain product safety
Pigment is the main component of cosmetics. The quality of pigment depends on its covering power and firmness. The pigments used in cosmetics can be generally divided into: organic synthetic pigments, infinite pigments, natural pigments of animals and plants and pearlescent pigments. Organic synthetic pigments, with strong covering power and colouring power, are widely used in cosmetics such as lipsticks and research and development. Inorganic pigments, less bright and tinted, but strong light resistance, not easy to cause allergic phenomenon, high safety factor, used in foundation cream and eye shadow powder; Natural pigment, mostly from plant petals, leaves and a small number of insects, due to the natural pigment tinting strength and poor light fastness and resource problems, and make it received limits in the cosmetics, relatively stable and common resources have cochineal, safflower glycosides, carotene, chlorophyll, turmeric, impatiens glucoside, citric yellow, rose glycosides, etc., these are valuable resources in food, pharmaceuticals and cosmetics; Pearlescent pigment: a bright, shiny pigment called pearlescent pigment, consisting mainly of fish scales and mica, often used in nail polish, eye shadow powder, and compact lipstick.
Antisepsis also includes antibacterial function. The maintenance product contains many nutrients. In order not to cause bacteria in these nutrients, the printing and distribution of the maintenance product will deteriorate. Some preservatives are carcinogenic and can cause skin allergies.
Common allergens in cosmetics are spices, preservatives and hair dyes. Among them, spices are the most common components that cause allergic reactions. When patients with eczema have allergic reactions to cosmetics, 30% to 45% are caused by cosmetic spices. Spices are the soul of cosmetics and the most likely cause of adverse reactions. Experts say that because of confidentiality, manufacturers will never disclose the spices used, so consumers simply cannot know if they will be allergic to the cosmetics before choosing them. Formaldehyde is a common sensitizer used in cosmetics. Although few cosmetics use formaldehyde as a preservative, many other preservatives in cosmetics can also release formaldehyde after use.
9. Functional materials
This is the most money that cosmetics companies spend on advertising, but the amount of functional ingredients in products is extremely small. Although cosmetics are not medicine, it is not necessarily good to add more, but the specific added in the product, how many added, how to add, as the payment of consumers are unknown. Naturally, the actual effect is also controversial. The main ingredients of skin care products are about these nine parts. We should pay attention to the interface active agent, pigment and preservative
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