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Formulated for stronger skin. Healthier scalp. Better results.
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Copper Theory model holding GHK-Cu hair serum and copper peptide face cream on soft blue background

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Most Loved Formulas

Backed by results. Designed for visible improvement.

Copper Theory GHK-CU Scalp Serum 1% in blue dropper bottle

GHK-CU Copper Peptide Hair Serum 1%

$49.00 $69.99
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Copper Theory GHK-CU Face Cream 1% in blue jar

GHK-CU Copper Peptide Face Cream 1%

$59.00 $79.99
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Copper Theory Copper Peptide Facial Cleanser tube

GHK- CU Peptide Facial Cleanser

$39.00 $49.99
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Copper Theory GHK-CU Scalp Shampoo bottle

GHK-CU Copper Peptide Scalp Shampoo

$42.00 $59.99
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Copper Theory Copper Peptide Repair Mask packaging

GHK-CU Repair Mask 5pcs

$32.00 $59.99
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GHK-CU Copper Peptide Face Serum 30ml by Skin Peptide Co in blue glass bottle

GHK-CU Copper Peptide Face Serum 1%

$65.00 $89.99
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GHK-CU Copper Peptide Hair Spray by Skin Peptide Co in blue bottle

GHK-CU Copper Peptide Hair Spray 1%

$44.00 $59.99
Copper Theory GHK-CU Scalp Conditioner bottle

GHK-CU Copper Peptide Scalp Conditioner

$42.00 $59.99
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Complete GHK-CU copper peptide skincare and scalp system bundle on white background

Ultimate Copper Theory Complete System

$216.00 $349.00
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GHK-CU copper peptide scalp shampoo conditioner and hair spray bundle on white background

GHK-CU Scalp Density Support System

$109.00 $149.00
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GHK-CU copper peptide cleanser serum cream and mask bundle on white background

Complete Copper Peptide Face System

$119.00 $167.00
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GHK-CU Copper Peptide Face Serum and Face Cream bundle on white studio background

GHK-CU Face Hydration & Firming System

$89.00 $128.00
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Hear what our customers say

⭐⭐⭐⭐⭐ 4.7/5 | 132+ reviews
Sarah M.
“5 weeks difference. My skin texture is way smoother and my redness has calmed down so much.”
Sarah M.
Copper Theory Copper Peptide Facial Cleanser tube
GHK- CU Peptide Facial Cleanser
$39.00
Jessica L.
“Hair feels thicker and healthier. I can actually see less shedding.”
Jessica L.
Copper Theory GHK-CU Scalp Serum 1% in blue dropper bottle
GHK-CU Copper Peptide Hair Serum 1%
$49.00
Lauracne L.
“3 weeks in and the improvement is clear.”
Lauracne L.
GHK-CU Copper Peptide Face Serum 30ml by Skin Peptide Co in blue glass bottle
GHK-CU Copper Peptide Face Serum 1%
$65.00
Aaron J.
“My hair feels thicker and healthier.”
Aaron J.
GHK-CU Copper Peptide Hair Spray by Skin Peptide Co in blue bottle
GHK-CU Copper Peptide Hair Spray 1%
$44.00
“The dryness around my nose improved.”
Incredible results in just a few weeks. I'm so impressed!
Rachel T.
★ ★ ★ ★ ★
2 days ago
This product has completely transformed my skin. I've been using it for 3 weeks and the results are amazing!
Sarah M.
Age 32, Combination Skin
✓ Verified Anti-Aging Glow
★ ★ ★ ★ ★
5 days ago
Love the texture and how it makes my hair feel so soft and manageable. Highly recommend!
Jessica L.
Age 28, Curly Hair
✓ Verified Texture Hydration
★ ★ ★ ★ ★
1 week ago
Finally found a product that works for my sensitive skin. No irritation and visible improvement.
Emily R.
Age 35, Sensitive Skin
✓ Verified Gentle Effective
★ ★ ★ ★ ★
1 week ago
The best hair product I've ever used. My hair has never looked this healthy and shiny!
Amanda K.
Age 29, Fine Hair
✓ Verified Shine Volume
★ ★ ★ ★ ★
2 weeks ago
Incredible results! My skin looks brighter and feels smoother. Worth every penny.
Rachel T.
Age 40, Dry Skin
✓ Verified Brightening Smoothing
★ ★ ★ ★ ★
3 weeks ago
This has become a staple in my routine. My hair feels stronger and looks healthier.
Michelle P.
Age 26, Thick Hair
✓ Verified Strengthening Repair
★ ★ ★ ★ ★
1 month ago
Amazing product! My skin feels so hydrated and looks radiant every morning.
Laura B.
Age 31, Normal Skin
✓ Verified Hydration Radiance
★ ★ ★ ★ ★
1 month ago
Perfect for my oily skin. It balances everything without making me feel greasy.
Nicole H.
Age 24, Oily Skin
✓ Verified Oil Control Balance
★ ★ ★ ★ ★
5 weeks ago
My hair has never been this soft! The frizz is completely gone and it smells divine.
Sophia W.
Age 27, Wavy Hair
✓ Verified Frizz Control Softness
★ ★ ★ ★ ★
6 weeks ago
I've tried so many products and this is the only one that actually works. My pores look smaller!
Olivia C.
Age 33, Combination Skin
✓ Verified Pore Refining Texture
★ ★ ★ ★ ★
2 months ago
Absolutely love this! My skin feels plump and youthful. Best investment I've made.
Isabella D.
Age 38, Mature Skin
✓ Verified Plumping Anti-Aging
★ ★ ★ ★ ★
2 months ago
My hair stylist asked what I've been using! This product is a game changer for volume.
Mia F.
Age 30, Fine Hair
✓ Verified Volume Fullness
★ ★ ★ ★ ★
3 months ago
Gentle enough for daily use and powerful enough to see real results. I'm hooked!
Ava G.
Age 25, Sensitive Skin
✓ Verified Daily Use Results
★ ★ ★ ★ ★
3 months ago
The glow is real! Everyone keeps asking if I got a facial. This is my secret weapon.
Charlotte S.
Age 29, Dull Skin
✓ Verified Glow Radiance
★ ★ ★ ★ ★
4 months ago
Perfect for my color-treated hair. It keeps my color vibrant and my hair healthy.
Emma J.
Age 34, Color-Treated Hair
✓ Verified Color Safe Protection
★ ★ ★ ★ ★
4 months ago
My dark spots have faded significantly. I can finally go out without heavy makeup!
Harper L.
Age 36, Hyperpigmentation
✓ Verified Dark Spots Even Tone
★ ★ ★ ★ ★
5 months ago
Lightweight and non-greasy. Absorbs instantly and works beautifully under makeup.
Amelia R.
Age 27, Normal Skin
✓ Verified Lightweight Fast Absorbing
★ ★ ★ ★ ★
5 months ago
My curls have never looked better! Defined, bouncy, and no crunch. Love it!
Evelyn M.
Age 23, Curly Hair
✓ Verified Curl Definition Bounce
★ ★ ★ ★ ★
6 months ago
Reduced my fine lines in just weeks. My skin looks and feels years younger!
Abigail K.
Age 42, Aging Skin
✓ Verified Fine Lines Youthful
★ ★ ★ ★ ★
6 months ago
No more breakage! My hair is growing longer and stronger than ever before.
Ella N.
Age 31, Damaged Hair
✓ Verified Growth Strength
★ ★ ★ ★ ★
7 months ago
Calms my redness instantly. Perfect for my rosacea-prone skin. Highly recommend!
Grace P.
Age 37, Rosacea
✓ Verified Calming Redness Relief
★ ★ ★ ★ ★
7 months ago
Adds incredible shine without weighing my hair down. It looks salon-fresh every day!
Lily T.
Age 26, Straight Hair
✓ Verified Shine Lightweight
★ ★ ★ ★ ★
8 months ago
My acne scars are fading! This is the only product that's actually made a difference.
Chloe V.
Age 28, Acne-Prone Skin
✓ Verified Scar Fading Clear Skin
★ ★ ★ ★ ★
8 months ago
Tames my frizz even in humid weather. My hair stays smooth all day long!
Zoe A.
Age 30, Frizzy Hair
✓ Verified Anti-Frizz Humidity Control
★ ★ ★ ★ ★
9 months ago
Best product ever! My skin texture is smoother and my complexion is more even. Worth it!
Madison E.
Age 35, Uneven Texture
✓ Verified Texture Even Tone