1, poor storage conditions.
Freeze-dried powder usually needs to be preserved at low temperature. In order to avoid exposure to high temperature or humid environment, it is recommended to store it according to the packaging instructions.
Step 2: Direct contact
When preparing and redissolving freeze-dried powder, the operating environment should be kept clean, and direct contact with lysozyme liquid should be avoided as far as possible.
3. High frequency of use
Generally, you need to choose the appropriate frequency according to your skin type, and it is usually not recommended to use it every day.
Step 4 Use expired products
Freeze-dried powder cannot be used after expiration. Common freeze-dried powder is packed in small transparent bottles. It is recommended to check the status of freeze-dried powder before each use. If the freeze-dried powder has other colors, it should be stopped.
The better brands of freeze-dried powder are as follows:
1, Yuri
Youlisi is a brand of Guangzhou Youlisi Biotechnology Co., Ltd., which was established in 2007. Unisys often cooperates with top international professional R&D institutions and scientific research experts, regularly visits scientific research laboratories in Switzerland and Germany, and conducts academic exchanges with international dermatologists.
2. Fulga
Fuerjia is a trademark brand registered by Harbin Fuerjia Technology Co., Ltd. in the State Administration for Industry and Commerce. Fuerjia adopted modern management concept and adhered to the principle of honest management, and won the honors of "AAA Credit Enterprise in Enterprise Credit Evaluation" and "Top 20 16 China Pharmaceutical R&D Comprehensive Strength 100".
3. L 'Oreal
L 'Oré al has an impressive product research and development background, first-class pharmaceutical laboratories and dermatological centers, and research and testing centers all over the world, enabling it to continuously introduce high-quality scientific research products that meet the different needs of consumers around the world.
Reference to the above content: Baidu Encyclopedia-Youli
Reference to the above content: Baidu Encyclopedia-L 'Oreal