Collagen is the key building block for skin (including the scalp), but its also indirectly involved in supporting hair health
Extensive research has unequivocally highlighted the pivotal role of Th17 cells in the pathogenesis of UC (Fitzpatrick et al., 2020
reports quickened fibroblast migration and spreading in laboratory studies, both of which are essential for repopulating an injury site
There are some facial studies that are promising, but they are quite small and not designed to the strictest standards (by which we mean double blind, placebo controlled.) Another catch is that when it comes to facial anti-aging skin care stimulating hair growth is not really a good thing (unless of course, more facial hair is ok for you)
In practice, this stabilization can cause some users to feel emotionally flat, experience less pleasure from daily activities, or feel a lack of strong emotions, especially when taken in high doses or over a long period