Topicals containing hydroquinone, alpha and beta hydroxy acids, tretinoin, mequinol, arbutin, vitamin C, soy extracts and concoctions of multiple ingredients, including newer cosmeceuticals, are now in vogue for treatment of facial melanoses especially melasma [1] and for general skin lightening, at least of the face, neck and other exposed parts
Like all proteins in solution, it degrades over time through multiple mechanisms
[1] Administration Instructions Intramuscular Injection Instructions 503A vs 503B 503A pharmacies compound products for specific patients whose prescriptions are sent by their healthcare provider
Sublingual doses of 5 mg (5000 mcg) of B12, daily for ten days, then 5 mg once per week for four weeks, then 5 mg monthly, have been found to be effective in restoring B12 levels in those with a deficiency
At the same time, it supports the broader roles B12 plays in cell reproduction, blood formation, and tissue repair
How Soon Do You Feel Less Tired After a B12 Injection