Freeze-drying machines are widely used in many industries, such as food, beauty and other industries, especially in the cosmetics industry. 1. The drawbacks of traditional cosmetics, traditional skin care products are based on mineral oil, natural extracts, antioxidants and other exogenous substances, focusing on the external nutrition of the skin and the covering of the aged skin, can not be improved The vitality of the cells themselves, can not promote the synthesis of important substances in the skin to change the quality of the skin;
2, with the continuous development of scientific skills, beauty cosmetics have also entered the era of biological science, and because of the in-depth application of cell science in dermatology, beauty skills have achieved rapid development and laboratory freeze dryers due to low temperature drying, can Adhering to the original active substances of cosmetics, more and more biologically active substances are used in the cosmetics industry;
3. After entering the 21st century, following the progress of people's living standards, people have put forward higher requirements for the quality of consumer goods, and environmental protection and health awareness have been further strengthened;
4, the laboratory freeze dryer skills themselves, because the vacuum freeze drying skills are carried out at low temperatures, and therefore particularly suitable for many heat sensitive substances. Substances such as proteins and microorganisms do not undergo denaturation or loss of biological vitality during lyophilization. In addition, because the drying is carried out under vacuum, there is very little oxygen, so that some easily oxidizable substances are maintained. In the process of lyophilization, the loss in the substance is small, the growth of the microorganisms and the effect of the enzyme cannot be carried out, and thus the original trait can be adhered to;
5. Laboratory freeze dryers are widely used in the field of beauty and cosmetics. In view of these advantages of freeze-drying skills, they can be applied to the following aspects: preservation of biological tissues, production of biochemical products; production of various slender materials in materials science Powder (nano) materials; the demand for beauty products adheres to the efficacy of active substances.

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