When used in topical formulations, the most commonly reported issues are localised and mild, and may include: Skin irritation or redness at the site of application Contact dermatitis in individuals with sensitive skin or known peptide sensitivities Scalp itching or tingling , which may be transient The following precautions are advised: Avoid application to broken, inflamed, or irritated skin , and keep the product away from the eyes and mucous membranes
doi: 10.1159/000506837
Bijlsma et al., 2014
Yes, glutathione reduces oxidative stress, a major contributor to hair loss
Measuring dopamine in postmortem tissue requires careful consideration of the isolation procedures used, as exposure to oxygen, metal ions, or specific enzymes can induce oxidation of the catechol ring and result in the production of dopamine quinones (Graham et al., 1978
10.1016/j.scienta.2013.07.015 130 SunW