Note that due to the relative small size of the rats, rat fistulas regularly appeared as large and complex, and thereby, in this respect, corresponded to the worst presentation in the patients (Klicek et al., 2008
If you wanna become a real HA-and-the-skin expert you can read way more about the topic at hyaluronic acid (including penetration-questions, differences between high and low molecular weight versions and a bunch of references to scientific literature)
Experts recommend to use it in the first two forms, as they both allow the ingredient to stay on your skin for a more extended period
Xu QL, Zhou G, Yang F, Meng Y, Wan L, Wang L, Zhang
The deep blue color is from the copper completely normal and shows the product is active and concentrated
it is about aligning with your bodys biological clock, or circadian rhythm