simple and it works. skin's smoother, breakouts slowed down a lot
BLU. GHK-Cu Peptides Serum
BLU. GHK-Cu Peptides Serum
For guys who've already tried the "basics" and saw no real change. This uses clinically studied GHK-Cu peptide signaling to increase collagen, repair skin, and sharpen overall facial quality.
Increase skin firmness in as little as 12 weeks
Boost collagen density by up to 51%
Repair damaged skin instead of masking it
30-second routine. Works without stacking products
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Try it risk-free for 30 days
Is it safe for sensitive skin?
Is it safe for sensitive skin?
Yes, but if you're prone to reactions, patch test on your inner arm 24 hours before your first full application.
What if it doesn't work for me?
What if it doesn't work for me?
Try it for 30 days. If you don't see a difference, send it back for a full refund — no questions asked.
Shipping & returns
Shipping & returns
Orders ship in 1–3 days and arrive in 6–12 business days. Not happy with it? Return it within 30 days, no questions asked.
35+ orders
in the last 24h
As seen in
See It In Action
Real people. Real bathrooms. Real results.
How to use
3 steps. 30 seconds. Morning and night.
1
Shake & prep
Shake well, drop 2–3 drops into your palm. That's the whole prep.
2
Apply
Smooth it across forehead, cheeks, and chin — wherever needs it most.
3
Massage in
Massage in circular motions until absorbed. No rinsing needed. For deeper results, pair it with a derma stamp or roller (optional).
How It Actually Works
Most skincare stops at the surface.
It moisturizes, smooths, or sits on top as a protective layer. GHK-Cu is different — small enough to actually move past the surface and reach the deeper layers of skin, where collagen and elastin are made.
Once there, it acts less like a product and more like a signal — prompting your skin's own cells to rebuild structure from within. Most ingredients treat what you can see. GHK-Cu works on what's underneath it.
Backed by Dr. Jennifer Gordon, MD · Board-Certified Dermatologist
How to use
3 steps. 30 seconds.
01
Shake & prep
Shake well. Drop 2–3 drops into your palm.
02
Apply
Smooth over your forehead, cheeks, and chin.
03
Massage in
Massage in until absorbed. Derma stamp or roller (optional).
How It Actually Works
Most skincare stops at the surface.
It moisturizes, smooths, or sits on top as a protective layer. GHK-Cu is different — small enough to actually move past the surface and reach the deeper layers of skin, where collagen and elastin are made.
Once there, it acts less like a product and more like a signal — prompting your skin's own cells to rebuild structure from within. Most ingredients treat what you can see. GHK-Cu works on what's underneath it.
Backed by Dr. Jennifer Gordon, MD · Board-Certified Dermatologist
Real Skin Real Results.
No filters. Just consistent use.
GOT QUESTIONS?
Frequently Asked Questions
How fast will I see results?
How fast will I see results?
Most users begin to notice visible changes in skin texture and clarity within 2 to 4 weeks of consistent daily use, with optimal repair and collagen production developing over 30 to 60 days.
How do I use it? Is this complicated?
How do I use it? Is this complicated?
Not at all. Just apply a few drops once a day to clean skin. No 10-step routines or mixing products—it takes 30 seconds and you’re done.
What’s actually in it? And is it safe?
What’s actually in it? And is it safe?
The core active ingredient is GHK-Cu, a naturally occurring copper peptide that signals skin to repair itself and rebuild collagen. It is paired with hyaluronic acid for deep hydration. The formula is fragrance-free, gentle, and safe for daily use without a prescription.
Will this actually help with acne scars and weak facial definition?
Will this actually help with acne scars and weak facial definition?
Yes. GHK-Cu speeds up cellular repair and boosts collagen, which works to smooth out scars and firm the skin matrix. While it won't alter your underlying bone structure, boosting skin density creates a tighter, more defined outer appearance.
Is this for my skin type?
Is this for my skin type?
Yes, it works across all skin types. Whether your skin is dry, oily, sensitive, or acne-prone, the formula adapts easily because it uses a natural repair mechanism your body already recognizes.
What if it doesn’t work for me?
What if it doesn’t work for me?
You are fully protected by our 30-day money-back guarantee. Try it consistently and take progress photos along the way. If you aren't satisfied with the results, simply return it for a full refund.
How long does shipping take?
How long does shipping take?
Orders are processed in 24–72 hours, and delivery generally takes 6–12 business days depending on your location. Tracking information is sent immediately upon dispatch.
Customer Reviews
Overall rating: 4.8 / 5 from 2160 reviews.
not a skincare guy but 3 drops a day and by week 4 my skin stopped looking so tired 🔥
confidence up fr. skin looks tighter and cleaner than it has in years.
packaging's clean, no mess with the dropper. two months in and reordering.
switched from the ordinary to this, no contest honestly.
second bottle already. doesnt get simpler than a few drops before bed.
just started, bottle's smaller than i expected but the dropper makes it easy. week 1 down.
took about 6 weeks to really see it, but the texture upgrade is real. worth it.
skeptical at first ngl. about a month in the tightness and texture actually changed. not mad about it.
wasnt expecting much but by week 5 the redness calmed down and skin just looks more even. sticking with it.
Real talk, clean.
By week 4, mirror check different now.
elite, no downside honestly.
Skeptical at first but by the second bottle skin stopped looking so tired. ngl kinda shocked.
Highkey, cop it, dont overthink it.
Tbh, actually did what it promised.
Top tier 🙌
Peak, lowkey.
Instant staple in my routine.
Ok but just buy it honestly.
Skeptical at first but week 9 in my acne scars started fading. solid buy honestly.
lowkey, worth the hype.
My girlfriend noticed my skin tone evened out before i even said anything.
istg, dont sleep on this.
Wait actually mirror check different now.
keeping this in my routine 👀
My barber noticed that one bad scar on my jaw faded before i even said anything.
Built different 💯
Before this my skin was breaking out constantly. After about a month, my acne scars started fading. 😭😭
Tbh, actually insane.
Real talk, way better than expected.
So good.
Pores looked smaller The scarring on my cheek is way less visible Skin felt firmer Thats it.
Not even joking, certified fire.
Genuinely great, just buy it honestly.
Lowkey, actually crazy.
My skin said thank you, face card restored ngl.
My mom noticed the breakouts slowed down before i even said anything. 😎
Top tier, mirror check different now.
Worth the hype, cleared me up fast.