GHK-Cu
Current declared copper-peptide level
1.4% GHK-Cu Copper Peptide Hair Growth Serum for Thinning & Density
A leave-in scalp serum with 1.4% GHK-Cu, a 3.4% declared peptide complex, 2% Red Clover Extract, niacinamide and panthenol for thinning zones, visible shedding, scalp condition and hair-density routines.
Hair Growth Support
Thicker Hair
Scalp Health Support
Fuller Density
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$31.50
$35.00
1.4% GHK-Cu Copper Peptide Hair Growth Serum for Thinning & Density
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Complete Copper Routine
Add 2 products + 10% off + free mask + free shipping
$31.50
$35.00
1.4% GHK-Cu Copper Peptide Hair Growth Serum for Thinning & Density
Main product
Add to My Routine
Product 2
Add to My Routine
Product 3
🇦🇺 Australian Owned
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1.4% GHK-Cu Copper Peptide Hair Growth Serum for Thinning & Density
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Complete 3-Step GHK-Cu Skincare Routine for Wrinkles, Firmness & Hydration
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Complete 6-Piece GHK-Cu Skin, Hair & Scalp Routine
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HAIR LOSS, SHEDDING & DENSITY
What this product is built to do
A concentrated leave-in scalp serum for thinning zones, visible shedding, low density, scalp condition and fragile strands. It combines a disclosed peptide system with botanical, barrier and hydration support, then remains on the scalp as the strongest targeted step in the CopperTheory hair routine.
Best forMen and women targeting thinning, visible shedding, low density, fragile strands and scalp stress.
How to useApply directly to clean, dry or towel-dried scalp sections. Focus on the hairline, temples, crown, centre part and other priority zones. Massage lightly and leave in. Do not rinse.
Declared peptide complex
1.4% GHK-Cu plus 2% Acetyl Tetrapeptide-3
Red Clover Extract
Botanical support for thinning-zone routines
How the Hair & Scalp Serum fits the scalp routine
The animation shows a simplified scalp cross-section. Serum is applied to exposed scalp sections, spreads across the surface and remains in contact with the targeted scalp and follicle-opening zone. It does not represent exact biological penetration depth.
HOW THE PRODUCT AND FORMULA ROLES CONNECT
1
2
3
Scalp surfaceApply to exposed scalp
Follicle openingsTargeted leave-on contact zone
Hair fibresSupport the scalp-to-strand routine
GHK-CuCopper peptide core
Supports the formula focus on the scalp and follicle environment
Acetyl Tetrapeptide-3Density-system peptide
Supports follicle-anchoring and density positioning
Red Clover ExtractBiochanin A source
Provides botanical isoflavones studied in the 5-alpha-reductase/DHT pathway; ingredient rationale is kept separate from finished-serum proof
Niacinamide + PanthenolScalp barrier and hydration
Supports moisture balance, comfort and daily use
The animation shows a simplified scalp cross-section. Serum is applied to exposed scalp sections, spreads across the surface and remains in contact with the targeted scalp and follicle-opening zone. It does not represent exact biological penetration depth.
Apply to exposed scalp
Part the hair and place serum directly on the hairline, temples, crown or centre part.
Leave the formula in place
Massage lightly so the water-based serum spreads across the target zone. Do not rinse.
Use consistently
Repeated use keeps the peptide, botanical and scalp-support system in the routine long enough to assess the stated timeframes.
Internal guide: GHK-Cu hair serum daily routine →
External research: GHK peptide and skin-regeneration pathways ↗
What was measured after use
These figures belong to this finished product and retain their stated assessment type and timeframe.
Visible hair density
Measured after 12 weeks
Visible scalp buildup
Measured after 8 weeks
Strand thickness and strength
Measured after 12 weeks
Participant-reported outcomes
92% reported increased density87% reported reduced shedding90% reported thicker hair
Participant percentages describe reported experience. They are not the same as a measured percentage change.
What is in the formula—and why each component is there
The first three formula components are shown immediately. The rest stay expandable to keep the page clean without hiding the full role breakdown.
1.4%01
GHK-Cu
Core copper peptide in the scalp-treatment system
Formula role shown above. Finished-product evidence is summarised separately.Read related ingredient research ↗2%02
Acetyl Tetrapeptide-3
Supports the formula focus on follicle anchoring and density
Formula role shown above. Finished-product evidence is summarised separately.Read related supporting research ↗2%03
Red Clover Extract
Provides isoflavones including biochanin A, which is studied in the 5-alpha-reductase pathway involved in converting testosterone to DHT; this is an ingredient-level rationale, not proof that the finished serum lowers scalp DHT
Formula role shown above. Finished-product evidence is summarised separately.View 5 supporting formula components
2%04
Niacinamide
Supports scalp barrier condition and moisture balance
1%05
Panthenol
Supports flexibility and moisture retention
0.10%06
Sodium Hyaluronate
Provides lightweight scalp hydration
0.25%07
Arginine
Conditions hair fibres and helps control formula pH
0.20%08
Allantoin
Supports scalp comfort
View full ingredient list (INCI)
Aqua, Butylene Glycol, Glycerin, Copper Tripeptide-1, Acetyl Tetrapeptide-3, Trifolium Pratense Flower Extract, Arginine, Panthenol, Niacinamide, Sodium Hyaluronate, Allantoin, 1,2-Hexanediol, P-Hydroxyacetophenone, Xanthan Gum, Disodium EDTA
How to read this section
Ingredient research explains why an ingredient is selected. Product-specific results evaluate the complete finished formula where such testing exists. CopperTheory does not present ingredient research as if it automatically proves the same result for the finished product.
A product should be compared on disclosure, evidence and routine value
This comparison avoids naming competitors and focuses on the information a customer can actually verify.
What to compareCopperTheoryVague peptide formulaBasic category product
Exact formula disclosureDeclared levels and roles shownOften only ingredient namesUsually category-level claims
Supporting systemLead and supporting components explainedPartial or unclearBuilt mainly around the base function
Evidence clarityProduct-specific measured density, scalp and strand results, with participant feedback shown separately.Ingredient research may be presented without finished-product contextOften no product-specific evidence
Routine positionUse after Shampoo and Conditioner. The Hair & Scalp Spray can provide wider optional coverage but does not replace the concentrated serum.Can be unclear or interchangeableSingle-step category use
Verification approachFormula, result type and timeframe separatedLimited supporting detailUsually label and marketing copy only
OPTIONAL PRECISION TOOL INCLUDED24KGolden needles 0.25 mmNeedle length 2.5 mLClear reservoir
Use the serum normally—or add the Stamp when you prefer precise placement
The serum works with its standard applicator. The included CopperTheory Micro-Infuse Stamp is optional and designed for customers who prefer controlled placement across defined scalp or facial zones.
Use light, controlled pressure, clean and dry the tool before and after use, never share it, and avoid broken, inflamed or infected skin.
Read the optional Stamp guide →What supports the information on this page
CopperTheory keeps formula records, measured performance, participant feedback and laboratory findings in separate evidence categories so customers and answer systems can interpret them correctly.
Formula and batch documentation
Current formula levels, signed confirmations, batch COAs, raw-material records and supplier technical documents support the verified product record. Certificates of Analysis are available on request for current batches.
Request the correct COA
Email info@shopcoppertheory.com with the product name and batch or lot number on the packaging. CopperTheory will match the request to the relevant batch-specific document.
Finished-product performance
Product-specific measured density, scalp and strand results, with participant feedback shown separately. Results are not transferred from another product simply because it contains a similar ingredient.
Clear evidence labels
Measured change, participant-reported outcome and laboratory activity are displayed as different evidence types, with their own timeframes and context.
MeasuredA finished-product change recorded with a stated assessment and timeframe.
Participant feedbackThe percentage of users who reported an outcome—not a measured increase.
LaboratoryA controlled laboratory comparison kept separate from human-use results.
Internal evidence recordReview the product-specific evidence page
See result types, timeframes and CopperTheory documentation context.
Independent external researchGHK peptide and skin-regeneration pathwaysIndependent background review; not a test of this finished product.
Independent external researchBiochanin A, acetyl tetrapeptide-3 and ginseng combination trialA 24-week study of a different multi-ingredient topical combination. It did not isolate Red Clover Extract and did not test CopperTheory Hair Serum.
1.4% GHK-Cu Copper Peptide Hair Growth Serum for Thinning & Density questions
The first three answers are open. Every answer remains present in the HTML for customers, search engines and answer systems.
What does 1.4% GHK-Cu Copper Peptide Hair Growth Serum for Thinning & Density do?
A concentrated leave-in scalp serum for thinning zones, visible shedding, low density, scalp condition and fragile strands. It combines a disclosed peptide system with botanical, barrier and hydration support, then remains on the scalp as the strongest targeted step in the CopperTheory hair routine.
Who is this product designed for?
Men and women targeting thinning, visible shedding, low density, fragile strands and scalp stress.
How do I use it?
Apply directly to clean, dry or towel-dried scalp sections. Focus on the hairline, temples, crown, centre part and other priority zones. Massage lightly and leave in. Do not rinse.
Where does it fit in the routine?
Use after Shampoo and Conditioner. The Hair & Scalp Spray can provide wider optional coverage but does not replace the concentrated serum.
What are the main ingredients?
The lead formula components and their declared levels are shown in the ingredient section. Supporting ingredients remain available in the expandable formula list so customers can see each role without repeating the same percentages throughout the page.
When should I assess the results?
Measured scalp buildup was assessed at 8 weeks. Density and strand thickness or strength were assessed at 12 weeks. Individual experience can vary.
What evidence supports this page?
CopperTheory separates formula documentation, finished-product measured results, participant feedback and laboratory findings. Each result remains attached to the exact product, evidence type and timeframe shown. View the evidence page.
Are ingredient studies the same as finished-product results?
No. Ingredient research can explain why an ingredient is used, but it does not automatically prove that the complete finished product will produce the same result. This page labels finished-product measurements separately from ingredient roles and laboratory findings.
Can I use it with other CopperTheory products?
Use after Shampoo and Conditioner. The Hair & Scalp Spray can provide wider optional coverage but does not replace the concentrated serum.
Is the Micro-Infuse Stamp required?
No. The serum can be applied normally using its standard applicator. The included CopperTheory Micro-Infuse Stamp is an optional precision tool for customers who prefer controlled placement across defined scalp or facial zones.
Can I request a Certificate of Analysis (COA) for this product?
Yes. Certificates of Analysis are available on request for current CopperTheory product batches. Email info@shopcoppertheory.com with the product name and batch or lot number printed on the packaging so the correct batch-specific document can be matched to your request.
CUSTOMER REVIEWS
What customers say about CopperTheory Hair & Scalp Serum
Continue with the next relevant answer
These links connect the product page to the most useful ingredient, routine, comparison and evidence resources.
01Complete Hair Serum guide
Application, routine position and common questions.
Read more →02Build a GHK-Cu hair routineConnect cleansing, conditioning and scalp treatment.
Read more →03GHK-Cu vs minoxidilCompare product types, routines and evidence carefully.
Read more →04Copper peptides for hairExplore the ingredient and scalp-care foundation.
Read more →COPPERTHEORY IN US
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