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In a separate head-to-head comparison, GHK-Cu outperformed both retinol (vitamin A) and vitamin C in improving skin firmness and elasticity, and it did so without the irritation, photosensitivity, or adjustment period associated with retinoid use
The results of Anti-aging IV therapy last for around 3 to 4 weeks with properly attending follow-up sessions and instructions that are given by the doctor after the session
But if your B12 level is normal
Injectable GHK-Cu requires medical oversight
Haptocorrin, also known as transcobalamin I, carries the large majority of circulating B12, typically around three-quarters of it
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