I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of Medicine
Both are long-acting forms of te
and its derivatives can go beyond its food and dietary supplement function and can be expanded in the medical field for various therapeutic functions, mainly against diseases associated with the accumulation of free radicals and oxidative stress, such as multiple sclerosis, Alzheimer's, Parkinson's and neurotoxic exposures (Cervantes-Llanos et al., 2018, Han et al., 2021, Sinha et al., 2020a)
The authors concluded that supplementation of HA to collagen did not improve various skin parameters, and therefore, the dermal benefits of the HA active ingredient could not be confirmed in this study [53]
It's an in-office procedure, typically done 1-3 times over several months