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Silver Acetate/Nitrate

Rob (PHH)

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Silver acetate is an inorganic chemical that has been reported to have antiseptic properties and is used on wounds as a cauterizing agent, as it can bind to tissue to stop bleeding. Silver acetate can be used as a hair dye due to its ability to react with oxygen and change color (usually to brown-black). Recently, it has been hypothesized that silver might have some hair growth-promoting effects.

Key insights:

  • The in vitro evidence suggests that silver acetate has antibacterial, antimicrobial, and antifungal properties and fibroblast cell growth-promoting properties that may be beneficial to hair growth. However, this hasn’t been confirmed in humans.
  • The in vivo (in mice) evidence shows that once-daily topical application of a 2% or 5% silver solution for 30 days could lead to an increase in growing (anagen) hairs (with 33.02 and 60.93% mice showing a transition of hairs from non-growing – growing respectively). However, this was less effective than the 2% minoxidil treatment group, which had 63.43% of mice transitioning into the growing stage. These findings, however, have not been confirmed in humans.
  • Continuous use of silver acetate can cause a gray or blue-black discoloration of the skin and may also cause skin burns, so long-term studies should be completed to determine if there are side effects of long-term usage.
  • Our experience tracking members: by itself, silver acetate alone is not enough to improve hair loss outcomes.
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