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99.6% Pure · Cosmetic Grade · 1g–3g
REwnd
GHK-Cu Copper Peptide Powder
99.6% Pure · Cosmetic Grade · 1g–3g
Pure copper peptide powder for DIY skincare formulations
Raw GHK-Cu copper peptide powder at 99.6% verified purity. This is the ingredient, not a finished product. Built for skincare professionals, cosmetic formulators, and experienced DIY skincare enthusiasts who want full control over concentration, carrier base, and finished format.
Each vial is sealed and air-protected to preserve stability from our UK facility to your bench. The Certificate of Analysis for your batch is published on this product page with the exact HPLC purity result.
Control. You choose the concentration, the carrier, and the format. Most off-the-shelf serums lock you into a fixed strength. With raw powder you can formulate anywhere from 0.5% to 2% for skin, or higher for scalp applications, depending on your needs and experience level.
If you would rather skip the formulation work, we also carry a ready-to-use GHK-Cu Face Serum at 1% in a 30ml bottle, and a GHK-Cu Hair Serum at 10% for scalp use.
Every batch of GHK-Cu powder is tested at a UK laboratory using HPLC analysis before it leaves our facility. The COA on this product page shows the exact purity for your batch, typically 99.6% or higher, alongside the test date and method.
Low purity copper peptide is effectively expensive water. We publish the numbers so you can verify, not just take our word for it.
Avoid using GHK-Cu alongside Vitamin C products, especially L-ascorbic acid. Used together, they can cancel each other out, making both less effective. Copper can degrade Vitamin C, and the acidic nature of Vitamin C can affect the stability of GHK cu.
Active Ingredient
GHK Cu
(Cosmetic grade Copper Tripeptide-1)
Based on 2 reviews
Super fast delivery. High quality product.
Product was initially slow to turn up but works really well. Would recommend
FAQ
Anything else, email ....
Yes. Every bottle carries a batch number and expiry date on the label. The batch number matches the certificate of analysis for that batch, so you can check exactly what you have been sent. If a label is ever missing this, email hello@rewnd.co.uk and we will replace the bottle.
Yes. Batches are tested by an external laboratory before release and we publish the certificate of analysis on the product page. The certificate confirms identity and purity. It is not a measure of what the product does.
Orders placed before 2pm on a working day are dispatched the same day, and we do not dispatch at weekends. Standard delivery is usually 2 to 3 working days and tracked express is 1 to 2. Every order is sent tracked. If tracking stops updating, contact us and we will resend or refund.
Yes. You have 30 days from delivery to request a return. Get in touch at hello@rewnd.co.uk and we will send the return address and sort it out.
Keep it sealed in a cool, dry place, out of direct sunlight, and away from children. Follow any storage instructions printed on the label.
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