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Because the cypionate ester permits a lower injection frequency, hormonal peaks are blunted, which may reduce the incidence of estrogen-related headaches and cyclic mastalgia observed with short-acting formulations, although inter-individual variation remains and careful titration is still recommended to optimize benefit-risk balance

And the most common causes for non-scarring hair loss (female or male pattern hair loss and telogen effluvium) tend to respond well to treatment when success is defined as halting any progression of hair loss and/or regrowing hair. Can B12 stop hair loss