2006 Dec;291(6):E1290-4
Obes Med
"One common ingredient used is antioxidants (such as vitamins C and E) which can lower oxidative stress on the follicle that can be involved in the aging, and thus graying, process." Additionally, the accumulation of hydrogen peroxide in the hair shaft during aging is also thought to lead to hair shaft bleaching, she adds
Frequently Asked Questions It's used to correct B vitamin deficiencies, treat anemia, improve nerve health, and increase energyespecially when oral supplements aren't effective
Per VetOne's website each mL of liquid contains: Cyanocobalamin (Vitamin B-12) 1000mcg, sodium chloride, ammonium sulfate, citric acid, sodium citrate, and benzyl alcohol (preservative)
The second most common KP subtype involves the face