BentSLawtonBWarrenTWidjajaFDangKFaheyJWet al
There are two primary types of melanin: Eumelanin: This is responsible for dark colors, such as black and brown
Nat Neurosci 9:917924 Lewis CA, Solomon JN, Rossi FM et al (2009) Bone marrow-derived cells in the central nervous system of a mouse model of amyotrophic lateral sclerosis are associated with blood vessels and express CX(3)CR1
If you are pregnant, planning pregnancy, or nursing, avoid use until more data becomes available
Know that there may be (multi-colored) light at the end of the tunnel: "While there is no true permanent reversal of gray hair yet, there are promising studies on stem cells that focus on manipulating melanocytes and reactivating genetic pathways for hair melanin production, so we may see it become reality in the future," Wizemann says