--- title: "Acetyl Hexapeptide-8 vs GHK-Cu: Compared (2026)" url: https://www.bodyhackguide.co/compare/acetyl-hexapeptide-8-vs-ghk-cu description: "Compare Acetyl Hexapeptide-8 vs GHK-Cu side by side. We earn a commission on some vendor links. Mechanism, half-life, dose range, side effects and prices." lang: en --- Skip to content Compare notes on r/BodyHackGuide (https://reddit.com/r/bodyhackguide) Compare notes with other researchers. Join r/BodyHackGuide (https://reddit.com/r/bodyhackguide) # Acetyl Hexapeptide-8 vs GHK-Cu Side-by-side comparison of Acetyl Hexapeptide-8 and GHK-Cu: mechanism, half-life, dose range, safety profile, and vendor pricing. Acetyl Hexapeptide-8 from $129.00 GHK-Cu from $34.99 ## Price snapshot ### Acetyl Hexapeptide-8 Current low $129.00 current listings 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ### GHK-Cu Current low $34.99 current listings 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ## Acetyl Hexapeptide-8 Acetyl Hexapeptide-8 (INCI: Acetyl Hexapeptide-3 in older nomenclature, commercially known as Argireline) is a synthetic hexapeptide designed as a competitive inhibitor of the SNARE complex at the neuromuscular junction.… **Lowest listed price:** $129.00 across 1 listing Full Acetyl Hexapeptide-8 profile (https://www.bodyhackguide.co/compound/acetyl-hexapeptide-8) ## GHK-Cu GHK-Cu is the copper(II) complex of the tripeptide glycyl-L-histidyl-L-lysine, a molecule Pickart and Thaler first pulled out of human plasma in 1973. The free peptide (GHK, C14H24N6O4) weighs about 340.4 Da; bind it 1:1… **Lowest listed price:** $34.99 across 7 listings Full GHK-Cu profile (https://www.bodyhackguide.co/compound/ghk-cu) ## Side-by-side comparison | Attribute | Acetyl Hexapeptide-8 | GHK-Cu | | --- | --- | --- | | Category | Skin & Hair | Skin, Hair & Aesthetics | | Research Stage | Marketed topical cosmetic ingredient (INCI: Acetyl Hexapeptide-8 / Argireline). Supported by small human anti-wrinkle studies, including one randomized, placebo-controlled trial; no systemic or injectable clinical development. Not an FDA-approved drug. | Approved/marketed as a topical cosmetic ingredient (Copper tripeptide-1) with supporting small human studies. Injectable use is preclinical/off-label, research-use-only, with no human clinical trials. | | Mechanism of Action | Acetyl Hexapeptide-8 (Argireline) is patterned after the N-terminal domain of SNAP-25 and behaves as a competitive mimic of that protein during SNARE complex assembly. The SNARE complex (SNAP-25 + Syntaxin-1 + VAMP/synaptobrevin) is required for… | GHK-Cu works mostly as a copper shuttle and a signaling peptide. It binds Cu(II) with high affinity (log K around 16.4, close to albumin's 16.2) and can supply or regulate copper for copper-dependent enzymes like SOD1, lysyl oxidase, cytochrome c oxidase, and… | | Half-Life | Short (topical application, no systemic absorption at cosmetic doses) | ~30-60 min (plasma; approximate legacy figure, no robust modern human PK study) | | Typical Dose Range | — | 200-500 mcg SC daily (community/RUO; no clinically established injectable dose) | | Dosing Frequency | twice_daily | Once daily subcutaneous; some run 5 days on / 2 days off. Topical: 1-2x daily to cleansed skin. | | Administration | Topical | Subcutaneous, Topical | | Side Effects | — | Topical GHK-Cu is generally well tolerated; higher-concentration formulations (4-5%) raise the odds of irritation, redness, or stinging. Injectable use has no safety data from controlled trials; the main theoretical concern is copper accumulation with repeated… | | Molecular Weight | 888.99 g/mol (average); molecular formula C34H60N14O12S | Free peptide (GHK): 340.38 Da (C14H24N6O4). Copper complex (GHK-Cu): 401.9 Da (C14H22CuN6O4, neutral 1:1 Cu(II) complex). | | Common Vial Sizes | — | 50 mg, 100 mg | ## Price tracking Tracking Acetyl Hexapeptide-8 prices since April 22, 2026. Trend chart unlocks once we have price snapshots from more than one day. ## Price History 4 data points - OF - BM - Half Nattys - BHG Labs ### Acetyl Hexapeptide-8: potential benefits - Targets dynamic expression wrinkles - forehead, glabellar, and periorbital (crow's feet) lines - Proposed to reduce facial neuromuscular signaling by destabilizing the ternary SNARE complex (acts as a SNAP-25 N-terminal mimic) - A randomized, placebo-controlled human study reported ~49% subjective improvement in periorbital wrinkles vs 0% for placebo over 4 weeks (small evidence base) [PMID: 23417317] - Marketed as a topical 'Botox alternative' - reversible mechanism, not a neurotoxin, with no botulinum-type systemic risk - Supplied as a raw cosmetic-compounding powder for research/formulation use (verify purity via HPLC COA) - Commonly combined with related peptides (e.g., Acetyl Octapeptide-3 / Snap-8) in anti-wrinkle formulations ### GHK-Cu: potential benefits - Stimulates type I collagen synthesis in human fibroblasts at low nanomolar-to-picomolar concentrations (PMID: 3169264) - Increases glycosaminoglycans (dermatan/chondroitin sulfate) and upregulates decorin in wound models (PMID: 11121126) - Modulates matrix metalloproteinases and their inhibitors, partially correcting the MMP-9/TIMP-1 imbalance in a smoke-induced emphysema model (PMID: 35936787) - Drives tissue remodeling and chemoattracts macrophages, mast cells, and capillary cells to injury sites (PMID: 18644225) - Modulates expression of ~4,000+ human genes via the Broad Institute Connectivity Map, including DNA-repair and antioxidant genes (PMID: 25302294) - Increases stemness and proliferative potential of epidermal basal cells and keratinocytes (PMID: 23019153) - Acts as an antioxidant and anti-inflammatory copper regulator in the context of aging (PMID: 22666519) - Broad skin-regeneration effects on collagen, proteoglycans, MMPs, and immune/endothelial cell recruitment (PMID: 26236730) ## Frequently asked ### What's the difference between Acetyl Hexapeptide-8 and GHK-Cu? Acetyl Hexapeptide-8 is a skin & hair that acetyl hexapeptide-8 (argireline) is patterned after the n-terminal domain of snap-25 and behaves as a competitive mimic of that protein during snare complex assembly. the snare…. GHK-Cu is a skin, hair & aesthetics that ghk-cu works mostly as a copper shuttle and a signaling peptide. it binds cu(ii) with high affinity (log k around 16.4, close to albumin's 16.2) and can supply or regulate copper…. The two differ in mechanism, half-life (Short (topical application, no systemic absorption at cosmetic doses) vs ~30-60 min (plasma; approximate legacy figure, no robust modern human PK study)), and typical dose range. ### Which has the longer half-life, Acetyl Hexapeptide-8 or GHK-Cu? Acetyl Hexapeptide-8 has a half-life of Short (topical application, no systemic absorption at cosmetic doses). GHK-Cu has a half-life of ~30-60 min (plasma; approximate legacy figure, no robust modern human PK study). Longer half-lives generally mean less frequent dosing but slower on/off kinetics. ### Which is cheaper, Acetyl Hexapeptide-8 or GHK-Cu? Lowest listed price on BodyHackGuide: Acetyl Hexapeptide-8 from $129.00, GHK-Cu from $34.99. Prices are pulled from the vendor listings tracked on BHG and change frequently. See the compare tables on each compound page for the current set of offers. ### Can you stack Acetyl Hexapeptide-8 and GHK-Cu? Stacking depends on mechanism overlap, safety profile, and goals. Acetyl Hexapeptide-8 and GHK-Cu should only be stacked after reviewing each compound's individual protocol page, side effect profile, and any published interaction data. Use the BodyHackGuide stack builder for a structured review before combining research compounds. ## See current vendor prices Listings from the vendors we track. Prices change often, so check the vendor before you buy. Acetyl Hexapeptide-8 prices: https://www.bodyhackguide.co/compound/acetyl-hexapeptide-8?tab=prices GHK-Cu prices: https://www.bodyhackguide.co/compound/ghk-cu?tab=prices Compare all compounds: https://www.bodyhackguide.co/compare ### Before you buy Acetyl Hexapeptide-8 or GHK-Cu Check the vendor trust score. Every supplier we track is rated 0-100 on COA verification, payment transparency, shipping, reviews, and listings: one published, reproducible methodology, applied to every vendor. View Vendor Scorecard (https://www.bodyhackguide.co/vendors/scorecard) ## Related comparisons GHK CU vs AHK CU: https://www.bodyhackguide.co/compare/ghk-cu-vs-ahk-cu **Research use only.** BodyHackGuide is a research and price-comparison reference. The compounds discussed on this page are not approved by the FDA for human consumption and are sold strictly for laboratory research. Prices shown are pulled from vendor listings tracked on BHG and are subject to change. Every vendor is ranked on the same public, reproducible methodology. See editorial standards (https://www.bodyhackguide.co/editorial-standards) and affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). BodyHackGuide (https://www.bodyhackguide.co/) Your biohacking research hub: compound pricing, brain health protocols, dosing tools, and vendor reviews. support@bodyhackguide.co Join our Discord: https://discord.gg/Mhq5UdRYBA r/BodyHackGuide on Reddit: https://reddit.com/r/BodyHackGuide **Affiliate Disclosure:** We rank every vendor on the same public, reproducible methodology (https://www.bodyhackguide.co/vendors/methodology). Full details in our affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). **Research Disclaimer:** All compounds listed are for laboratory and research purposes only. Not for human consumption. This site does not sell or ship any products. Always consult a qualified healthcare professional and comply with local regulations. © 2026 BodyHackGuide. All rights reserved. - Terms: https://www.bodyhackguide.co/terms - Privacy: https://www.bodyhackguide.co/privacy ## Structured data ```json [ { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co/" }, { "@type": "ListItem", "position": 2, "name": "Compare", "item": "https://www.bodyhackguide.co/compare" }, { "@type": "ListItem", "position": 3, "name": "Acetyl Hexapeptide-8 vs GHK-Cu" } ] }, { "@context": "https://schema.org", "@type": "WebPage", "name": "Acetyl Hexapeptide-8 vs GHK-Cu: Compared (2026)", "description": "Compare Acetyl Hexapeptide-8 vs GHK-Cu side by side. We earn a commission on some vendor links. 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GHK-Cu is a skin, hair & aesthetics that ghk-cu works mostly as a copper shuttle and a signaling peptide. it binds cu(ii) with high affinity (log k around 16.4, close to albumin's 16.2) and can supply or regulate copper…. The two differ in mechanism, half-life (Short (topical application, no systemic absorption at cosmetic doses) vs ~30-60 min (plasma; approximate legacy figure, no robust modern human PK study)), and typical dose range." } }, { "@type": "Question", "name": "Which has the longer half-life, Acetyl Hexapeptide-8 or GHK-Cu?", "acceptedAnswer": { "@type": "Answer", "text": "Acetyl Hexapeptide-8 has a half-life of Short (topical application, no systemic absorption at cosmetic doses). GHK-Cu has a half-life of ~30-60 min (plasma; approximate legacy figure, no robust modern human PK study). 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