Charlotte K.✓ Verified owner
June 25, 2026
cold pack still cold when it arrived
GHK-CU
Released · In stock at the U.S. facility
−44%Save $40.01
CAS 89030-95-5MW 340.4 Da≥ 99 % HPLC
In stock·Ships Tomorrow·48-hour express delivery
Code EXTRA10 auto-applied at checkout
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from $44.99
You save $45.01 total (50% off retail)
What research shows
- ✨Skin regeneration — in luxury skincare for 30+ years
- 💇Hair-growth research — follicle stem-cell activation studies
- 🧬Copper-peptide chemistry — gene-expression modulator
Why Puripep: ≥99% HPLC verified · LAL endotoxin <10 EU/mg · third-party CoA per lot · ships in insulated cold-chain mailer · 48-hour express U.S. delivery
The science behind it
GHK-Cu is glycyl-histidyl-lysine bound to copper (Cu²⁺). Plasma levels drop ~60% from age 20 to 60. Modulates expression of 4,000+ genes toward youthful patterns in fibroblasts. Found in commercial cosmeceuticals at low concentrations.
Storage & reconstitution
Store lyophilized vial at −20 °C (long term) or 2–8 °C (short term, up to 30 days). Reconstitute with bacteriostatic water at the working concentration. After reconstitution, store at 2–8 °C and use within 28 days.
Quality & release standards
Each lot released only after passing: HPLC purity ≥99%, mass-spectrometry identity confirmation, and LAL endotoxin <10 EU/mg. Certificate of Analysis (CoA) issued per lot. U.S. synthesis (Carlsbad CA).
Research Use Only — GHK-Cu is sold for in-vitro laboratory research and authorised professional use. Not for human or animal consumption. Not a medicinal product, supplement, food additive, or cosmetic. Customers represent they are a qualified researcher, laboratory, or institution.
- ≥ 99 % HPLC purity
- CoA on every vial
- U.S. warehouse · flat $14.99
Available doses 50 mg | 100 mg
Reviews
4.8367 customer reviews
5★297
4★62
3★8
2★0
1★0
Samantha✓ Verified owner
June 23, 2026
vial came intact and it landed in about 4 business days
Craig T.✓ Verified owner
June 23, 2026
the freezer pack held its chill
Ryan D.
June 24, 2026
quality shop. here super quick. seal held, nothing leaking 🔥
Michelle B.✓ Verified owner
June 23, 2026
vial was intact, no leaks
Emma M.✓ Verified owner
June 20, 2026
first-timer here, shipped fast and matched the description
hank_tanya✓ Verified owner
June 19, 2026
kinda average honestly. shipping crawled along slower than i wanted
Anonymous✓ Verified owner
June 19, 2026
sealed up spotless. really pleased with it
Ashley H.✓ Verified owner
June 17, 2026
here quicker than i figured. arrived intact, nothing damaged. very glad
Maria G.✓ Verified owner
June 15, 2026
vial was sealed right, packaging solid
Logan T.✓ Verified owner
June 14, 2026
legit shop. out for delivery basically the next day. everything inside was neat
Isabella E.✓ Verified owner
June 14, 2026
among the more reliable sources ive used, insulated mailer and the vial was fine
Zach C.
June 13, 2026
happy. sealed spotless. just wish the tracking refreshed a bit sooner
Brittany C.✓ Verified owner
June 11, 2026
out for delivery basically the next day. label was crisp and clean. glad it showed 🤝
Anonymous✓ Verified owner
June 11, 2026
quick shipping, vial integrity was good
shawn_courtney✓ Verified owner
June 10, 2026
around 3 days to arrive. sealed spotless. really pleased 🤝
Chloe M.✓ Verified owner
June 10, 2026
showed up with a warm cold pack, vial was fine though
Paige S.✓ Verified owner
June 10, 2026
eh, its okay. took a minute before it shipped. glad it arrived
Anonymous✓ Verified owner
June 10, 2026
tracking was accurate the whole trip. stopper was sealed clean 💯
Anonymous
June 9, 2026
happy. all labeling right. one corner of the box was a little dinged but the vial was fine
