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They also help to improve the follicle structure, therefore lowering breakage and encouraging thicker, more durable hair
Barton, K
Unfortunately, studies on this topic have mainly focused on normalising serum B12 concentrations with oral supplementation and should be interpreted with caution since the specific goal of treatment in symptomatic B12 deficiency is alleviating symptoms, and NOT to normalize B12 concentrations in the blood
The frequency depends on the reason for deficiency and the severity of depletion
Its role complements GHK-Cu: TB-4 helps position the repair cells, while GHK-Cu handles more of the matrix-building work
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