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What is thinner is the pool of large, direct human trials testing GHK-Cu specifically applied after microneedling with objective endpoints

Specifications First available: 02/2026 Shipping weight: 0.16 kg Product code: NEG-55185 UPC: 810068551853 Package quantity: 56 g Dimensions: 5.6 x 5.5 x 5.5 cm , 0.16 kg Disclaimer While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site

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Quality sourcing remains critical since third-party tested peptides with 98% or higher purity deliver the most consistent results