The product is an odorless and colorless liquid with high purity, high assay, and extremely low content of the heavy metal boron (<2ppm). Besides, the product boasts better impurity than other competitor products.
There are strict requirements for the indicators such as salt ions, heavy metals, and microorganism.
The isomer rate is well controlled and same as that of the Pro-Xylane for L'Oréal products. There are also certificates for different isomer rates.
