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Description
IGF-1 exerts a mitogenic effect influencing stimulation of cyclin D1 and of some proto-oncogenes (c-FOS, c-JUN) expression

In skincare, its role is supportive rather than aggressive
Study Duration: 16 weeks (12 weeks of injections, 4 weeks of no injections)

As it is naturally present within the body, Glutathione has relatively low side-effects