The School of Materials Engineering of Soochow University has newly developed a polymer packaging film. Its appearance and strength are no different from ordinary plastic packaging film, but the film will shrink rapidly in water, and a small piece of film will disappear after being soaked in water for 50 seconds. Conditioner, also known as moisturizer, is usually used in pairs with shampoo. After shampooing hair, evenly apply the right amount of conditioner on the hair, gently rub for about one minute, and then rinse with water. Therefore, it is also known as rinse conditioner, which belongs to hair cosmetics.
Shampoo uses anionic and nonionic surfactants as the main raw materials to provide deconsoiling and foaming, while the main raw materials of conditioner are cationic surfactants. Shampoo your hair and then apply a conditioner, which neutralizes the anionic molecules that remain on the surface of your hair, forming a monomolecular membrane that keeps tangled hair compliant and easy to comb.
The healthy surface layer of hair consists of a complete set of hair scales and natural secreted oil to form the protective film of hair. Excessive washing, ironing, and sun exposure will destroy this natural protective film, resulting in the loss of water in the cortex, and make the hair dry and lose elasticity and softness. Only if you use conditioner regularly, can you form a protective layer of hair for a long time and protect your hair from damage.
Under normal circumstances, washing your hair after sun exposure should wait for your scalp and hair to cool down naturally before you begin
This highly water-soluble packaging film is a highly practical and environmentally-friendly material suitable for quantitative packaging of toxic substances that require water-soluble use. The use of such a film to package solid pesticides can scientifically, conveniently and accurately configure a certain concentration of the solution and avoid direct contact with the pesticide. If it is used to package pouch washing powder, the washing powder can be directly put into the washing machine along with the packaging, and the film will be quickly dissolved without affecting the laundry quality and being non-toxic.
Hair can be divided into two types from the appearance of transparent type and emulsion type, emulsion type products are more common in the market.
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