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BAC water includes 0.9% benzyl alcohol as a bacteriostatic preservative, while sterile water has no preservative and saline has sodium chloride instead
That said, GHK-Cu can still be helpful for overall scalp health, especially if youre looking to calm dryness or maintain a well-balanced skin barrier, which does influence hair growth
When someone is genuinely deficient, or even borderline low, the difference can be quite remarkable
Those who may benefit from B12 shots include older adults, vegans, vegetarians, and individuals who have a digestive issue or metabolic limitation that interferes with their bodys natural absorption of vitamins
It is not known whether calcium supplementation can reverse vitamin B 12 malabsorption