Cellular Senescence Research: the compound is studied in longevity and cellular senescence models where NAD+ decline is a characterized feature
Possible effects include mild scalp redness or tingling, dryness or slight peeling from the tretinoin component, and temporary sensitivity when combined with other actives
Altern Med Rev 1997;1:155-176
Strategic combination of complementary compounds addresses multiple hair loss mechanisms simultaneously
The animal literature is unusually consistent, though: nearly every published in vivo study used 5 mg/kg per injection, given three times on alternate days (days 1, 3, and 5, or days 14, 16, and 18 in the pulmonary fibrosis model), with effects tracked over the following three to four weeks