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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
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Description
GHK Cu: Skin Benefits GHK Cu is a copper peptide studied for its role in supporting collagen production, skin repair, and anti oxidant activity. Research suggests it may help improve skin firmness, elasticity, and overall GHK Cu Peptide: Beginner's Guide to Potential Benefits Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3 Dr. Brenner Labs Not all peptides are created equal and neither are our bodies., This is GHK Cu, a copper peptide (nasal spray) supplement from @NeuroGAN. I love experimenting, but I dont go in blind. My longevity
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4.8 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 2
Small in size
Color: Grey
Very small, picture makes it look much larger than it is. Seemed more appropriate for a cat, and 6 month puppy figured it out in under 1 min. Not very challenging.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Excellent for boredom and learning
Color: Blue
Wonderful! Daughters very intelligent Australian shepherd loves this. She takes it out when he's bored, or has t been able to give as much one on one. Well made
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Reviewed in the United States on May 26, 2026
★★★★★ 5
My dog loves the toy.
Color: Grey
My little dog loves the puzzle toys. She doesn't really like the treats I got. I'll get better ones.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Keep my dogs occupied
Color: Grey
Great for the dogs. Challenging and makes them work at it but not so hard they can’t eventually figure it out.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Too easy for my Lab
Color: Blue
My lab figured this out in 30 seconds. I was hoping it would be a bit more challenging for him. Thankfully, it is challenging enough for my bunny!
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Reviewed in the United States on May 28, 2026