1.Introduction to the human skin
2. What is the organization of the skin?
3. How to prevent skin aging?
After successful completion of the lesson and quiz, you will be issued a certificate by KAYAJ with a unique certificate number.
There are three main methods to produce NMN: chemical synthesis, fermentation, and enzymatic synthesis. Firstly, chemical synthesis is a relatively simple method for producing NMN, the cost of this method is much lower than the other two methods. However, the chemical synthesis method usually requires several steps, and the overall yield is not high. Product […]
Throughout the world, the anti-aging healthcare product NMN has become increasingly popular. Major platforms began to use purity, technology, origin, and content as selling points for their product, content especially has become the largest promotion point. Consumers are often misled, believing that a higher product content equates to better products! Is this really the case? […]
