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The short answer is that Copper Tripeptide-1 has earned its place as a skin care ingredient over decades of research, while Copper Tripeptide-3 was specifically engineered with hair follicles in mind
Our comparison of why a compounding pharmacy source is safer and more reliable than online research chemical peptides of unknown and untested purity breaks the difference down in detail
The absorption speed of B12 depends on the form you take, since methylcobalamin works faster than cyanocobalamin
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