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Hair care raw materials classification characteristics and applications

1, grease oil applied in hair care products can form a hydrophobic protective film on the hair, can effectively smoothen the hair scales and repair split ends, give hair shine, with long-lasting, anti-wash effect. Grease can be divided into oil-soluble grease and water-soluble grease, the former is mostly used in hair masks, essential oils and other products; the latter is mostly used in shampoos, leave-in hair care sprays and other products.

Oil soluble fats can be divided into natural fats and synthetic fats. Natural oils and fats are extracted from plants and animals, with high nutritional value, more easily absorbed by the skin and hair and can inhibit water loss, but natural oils and fats are easily oxidized, causing discoloration and rancidity in cosmetics, so they need to be used together with antioxidants; animal oils and fats are most similar to human oils and fats, with better emolliency and moisturizing effects, but the use of animal oils and fats is increasingly restricted due to concerns from animal protection associations and animal diseases. The use of animal fats and oils is increasingly restricted. Synthetic fats and oils are generally saturated fats and oils with good chemical stability, diverse structures and a wide range of applications. The molecular weight and viscosity of synthetic fats and oils can be adjusted or some functional groups can be added to the carbon chain of synthetic fats and oils to meet different needs in cosmetic research and development.

Water-soluble oils and fats are water-soluble ingredients derived from the modification or emulsification of oils and fats for use in clear products and water-based products. These ingredients have a lighter skin feel than oil-soluble oils, and although they are less conditioning than oil-soluble oils, they can be used in clear shampoos and in shampoos that want to create volume and slip. It can give products an oily feel and improve the slip of wet and dry hair.

2, cationic surfactants cationic surfactants are able to ionize in aqueous solution with cationic hydrophilic groups, most of them are organic amine derivatives, such as: amine salts, quaternary ammonium salts, etc., of which quaternary ammonium salts are the most widely used, such compounds have excellent adsorption and antistatic properties, and can neutralize the negative charge in the hair, giving the hair antistatic, soft and smooth effect. Because of their excellent conditioning and emulsifying ability, these compounds are added to hair masks, shampoos and some leave-in products to improve the water resistance, wet and dry hair slip and combability of the products.

Cationic polymers Cationic polymers are polymers that are positively charged when dissolved in water, and are mainly used in hair care products as polyquaternium conditioning agents. Such compounds improve the dry and wet combability and slip of products, and it has a thickening effect, moisturizing, and antibacterial effects in addition to conditioning. Cationic polymers are also used like cationic surfactants to improve dry and wet combability and achieve conditioning effects by using cationic properties to adsorb on damaged hair surfaces with anions, but cationic polymers contribute to the adsorption of actives and can increase the amount of silicone oil deposited in the hair, achieving a 1+1>2 effect.

3、Vitamins and their derivatives vitamins are special nutrients that sustain life and are the collective name of a class of compounds. The main effects of vitamins in hair care products are moisturizing, anti-photoaging, activating cells, enhancing hair strength, promoting osmosis and maintaining scalp health; vitamins can also be divided into fat-soluble vitamins and water-soluble vitamins, of which B vitamins and C vitamins are water-soluble vitamins and the rest are fat-soluble vitamins. Water-soluble vitamins can be used in aqueous scalp and hair care products and clear shampoos, while fat-soluble vitamins can be used in shampoos, hair masks, hair care oils and leave-on hair masks. However, some vitamins and their derivatives are photosensitive, so please choose light-proof packages and store them away from light.

4、Protein-based conditioning agents Protein-based conditioning agents can be divided into vegetable and animal proteins according to their sources, and protein, hydrolyzed protein and hydrolyzed protein derivatives according to the treatment process. Protein-based conditioning agents have high affinity for hair and have good nutrition, repair and film-forming effects. Because there are many cysteines on the side chains of such conditioners, they can cross-link and polymerize with the cysteines in the hair and eventually form a protein film on the damaged hair to repair the damaged hair and improve its combability and shine.

5, plant extracts plant extracts are rich in a variety of organic substances, which have a positive positive effect on our maintenance of the scalp ecological environment. Scalp care is also an important subject in hair care. The main effects of plant extracts in hair care products are inhibition of excessive scalp oil secretion, antibacterial, scalp anti-aging, hair loss prevention and nurturing, etc.

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