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Its composed largely of three amino acids: glutamine, glycine, and cysteine
All products meet or exceed 99% purity no exceptions
Regulation and boundary between cosmetic, medical device and medicine In Europe, topical peptides fall under three distinct regulatory frameworks according to their claim and mechanism: Cosmetic (EC Regulation 1223/2009) Surface cutaneous action, beauty and hygiene claims No therapeutic claim authorised Product information file (PIF), safety evaluation Examples: Matrixyl, Argireline, Pal-GHK in anti-ageing serums Medical device (EU Regulation 2017/745) Main physical/mechanical action, medical claim Classes I, IIa, IIb, III according to risk CE marking mandatory, notified bodies for class IIa+ Example: GHK-Cu dressings for wound healing Medicine (Directive 2001/83/EC) Explicit therapeutic claim, pharmacological action MA mandatory (EMA or national agencies), phase I-III clinical trials Example: Afamelanotide for erythropoietic protoporphyria (MA 2014) This segmentation has direct implications for research : a molecule can change regulatory status according to its final formulation and claims
The GH axis contributes to sleep architecture, cognitive function, energy metabolism, skin integrity, and mood regulation, all of which shift during perimenopause
These effects seem to influence not only the Schwann cells but also the axoglial interaction, which is essential for regeneration and remyelination
