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GHK-CU works through gene expression and copper metabolism
For scalp hair, well-formulated topical application, especially paired with microneedling, is the evidence-supported approach
Expensive and invasive so mostly used for clinical research
Holt, J
You may also want to make some lifestyle changes to support
Information about the health effects of silica (silicon dioxide) and orthosilicic acid (an ingredient in BioSil), including whether these forms of silicon can really increase collagen production, thicken hair, strengthen nails & bones
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