Peptide Hubs
Peptide Hubs
GHK-Cu Hair Serum
Product Information Compound Details
Active Substance GHK-Cu Copper tripeptide-1 complex
1.01 fl ozStrength 1.01 fl oz
Package 30 mL
Form Topical Formulation
Container 30 mL Bottle
Drug Class Cosmetic Peptide
Manufacturer Peptide Hubs
$15.00
Shipping :
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U.S. Domestic
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- Overview
- Profile
- Usage
- Safety
- Shipping
- Storage
- FAQ
- Reviews
Product Overview
GHK-Cu Hair Serum by Peptide Hubs
GHK-Cu Hair Serum is a topical cosmetic formulation manufactured by Peptide Hubs, supplied in a 1.01 fl oz (30 mL) container and featuring the copper tripeptide complex GHK-Cu.
GHK-Cu Topical Scalp Serum
GHK-Cu Hair Serum contains GHK-Cu (copper tripeptide-1), a naturally occurring complex of the tripeptide glycyl-L-histidyl-L-lysine with copper(II). This peptide-copper complex is found in human plasma, and its levels decline significantly with age. The GHK-Cu Hair Serum is formulated for topical application to the scalp, where the peptide complex is studied for its potential role in supporting follicle function and scalp health.
Research on GHK-Cu and hair has explored several mechanisms. In vitro studies suggest GHK-Cu may stimulate dermal papilla cells—the cells at the base of each follicle that regulate the hair growth cycle—and prolong the anagen (growth) phase. Copper peptides may also promote angiogenesis (new blood vessel formation) via upregulation of VEGF, improving nutrient delivery to follicles, and reduce scalp inflammation linked to follicle miniaturization. The peptide is also involved in collagen and keratin production, which supports the structural environment around the follicle.
In cosmetic contexts, GHK-Cu is not FDA-approved as a drug but is widely used as a cosmetic ingredient. Injectable GHK-Cu has never had clear FDA authorization for routine compounding under Section 503A. The GHK-Cu Hair Serum is intended for external cosmetic use only and is not designed to diagnose, treat, cure, or prevent any disease.
Key Benefits of GHK-Cu Hair Serum
- Contains GHK-Cu, a naturally occurring copper peptide complex
- Studied for stimulation of dermal papilla cells and follicle support
- Research suggests potential to promote angiogenesis and reduce scalp inflammation
- Topical formulation designed for scalp application
- CIR Expert Panel assessed copper peptides as safe in cosmetics
Format
Topical Serum
GHK-Cu Hair Serum is supplied as a topical formulation in a 1.01 fl oz (30 mL) container. It is designed for external cosmetic application to the scalp only.
Product Profile
GHK-Cu Profile
GHK-Cu is a copper-binding tripeptide complex composed of glycyl-L-histidyl-L-lysine and copper(II) ions. The peptide was first identified in human plasma in the 1970s and has a high affinity for copper, forming a stable chelate that is biologically active in tissue remodeling processes.
Copper Tripeptide-1 Complex
GHK-Cu functions through multiple mechanisms relevant to hair follicle biology. The copper component serves as a cofactor for enzymes involved in collagen synthesis, including lysyl oxidase, which is essential for cross-linking collagen and elastin fibers. The peptide portion helps deliver copper to target cells and may have signaling properties of its own.
Research indicates that GHK-Cu stimulates dermal papilla cells, which sit at the base of each hair follicle and control the hair growth cycle. An in vitro study found GHK-Cu prolonged the growth phase and increased follicle size in human hair cultures. The peptide may also promote angiogenesis by upregulating VEGF, improving blood supply and nutrient delivery to follicles. Additionally, GHK-Cu appears to suppress some pro-inflammatory signaling in cell studies, which is relevant because chronic low-grade inflammation is linked to follicle miniaturization in androgenetic alopecia.
Unlike many cosmetic peptides, GHK-Cu occurs naturally in the human body, and its levels decline with age. This has led to interest in topical supplementation as a cosmetic strategy for supporting scalp and follicle health.
Defining Characteristic
Naturally Occurring Copper Peptide for Follicle Support
GHK-Cu is an endogenous peptide-copper complex found in human plasma. Its natural decline with age and studied effects on dermal papilla cells and angiogenesis distinguish it from synthetic cosmetic peptides.
GHK-Cu Hair Serum vs Other Peptide Hubs Preparations
Peptide Hubs offers GHK-Cu in a topical hair serum format. Related research peptides include GHK-CU 50 mg, a lyophilized powder format for laboratory reconstitution, and Glow Blend 70 mg, a combination research peptide product.
For general topical research support, Bacteriostatic Water is commonly used for reconstitution of lyophilized peptides.
Dosage & Usage
GHK-Cu Hair Serum Dosage & Usage
The information below is provided for educational reference only. GHK-Cu Hair Serum is a cosmetic product for external use only. It is not intended for injection, ingestion, or any systemic route of administration.
Typical Usage Ranges
For topical cosmetic products containing GHK-Cu for scalp application, informal guidance suggests applying a few drops (approximately 1–2 mL) to affected areas of the scalp once or twice daily. There are no FDA-approved dosing guidelines for topical GHK-Cu, and usage recommendations vary by product formulation.
| Use Case | Common Reference Range | Application Frequency |
|---|---|---|
| Scalp application (cosmetic) | 1–2 mL per application | Once or twice daily |
| General topical use | Per product label | Follow manufacturer guidance |
| Research applications | Protocol-dependent | Per experimental design |
Note: Dosing is not standardized for topical GHK-Cu products, and every formulation may differ. For hair and scalp applications, GHK-Cu can take several months before any significant difference is noticed.
Application Considerations
Some informal guidance suggests avoiding concurrent use of GHK-Cu with retinoid-containing products on the scalp, as both may irritate the skin. Vitamin C serums may also interact with GHK-Cu due to pH differences, and separating application times by a few hours is commonly suggested.
Combining topical GHK-Cu with microneedling may improve absorption, as needles create microchannels through the outer skin layer. However, microneedling should be avoided on skin with an active infection, open wounds, or an inflammatory scalp condition such as seborrheic dermatitis or psoriasis.
Managing Side Effects
Skin irritation is the most commonly reported adverse effect of topical GHK-Cu, though it remains uncommon at standard cosmetic concentrations. Symptoms may include mild redness, tingling, itching, or warmth at the application site, typically resolving with lower concentration or less frequent application. Skin discoloration (blue-green tint) has been reported rarely at high concentrations or with excessive application, and resolves upon discontinuation.
Post-Cycle Therapy
Post-cycle therapy is not applicable to GHK-Cu Hair Serum, as it is a topical cosmetic product and does not affect hormonal pathways.
Important
Individual Response Varies
Topical cosmetic results vary by individual. The information above is for educational reference and does not constitute medical advice.
Safety & Information
GHK-Cu Safety Information
GHK-Cu is a cosmetic ingredient, not an FDA-approved drug. The Cosmetic Ingredient Review (CIR) Expert Panel has assessed copper peptides and found them safe for use in cosmetic formulations at currently marketed concentrations. Injectable GHK-Cu has never had clear FDA authorization for routine compounding.
Important Safety Information
GHK-Cu Hair Serum is for external use only. It should not be ingested, injected, or applied to open wounds or mucous membranes. Systemic administration of GHK-Cu has a much more limited safety record than topical use, and the Australian Therapeutic Goods Administration has reported serious adverse effects including liver damage and severe allergic reactions associated with unapproved peptide products including GHK-Cu.
Important
External Use Only
GHK-Cu Hair Serum is a topical cosmetic product. It is not approved for oral, injectable, or any other systemic route of administration. Non-topical use falls outside approved indications.
Potential Adverse Effects
Topical skin irritation is the most commonly reported adverse effect, though uncommon at standard cosmetic concentrations. Symptoms include mild redness, tingling, itching, or warmth, typically transient and resolving upon discontinuation or concentration reduction. Contact dermatitis (irritant or allergic) has been reported rarely.
Skin discoloration with a blue-green tint may occur at high concentrations or with excessive application, resulting from the characteristic color of copper(II) complexes; this is not harmful and resolves upon discontinuation.
Conditions Requiring Medical Evaluation
Individuals with a documented allergy to copper or copper compounds should avoid GHK-Cu in all formulations. GHK-Cu is contraindicated in Wilson's disease and other copper metabolism disorders due to the theoretical risk of additional copper loading, even from topical application.
Topical GHK-Cu should not be applied to open wounds or on broken skin.
Monitoring During Use
No specific monitoring is required for topical cosmetic use of GHK-Cu. Users should discontinue use if irritation develops and consult a healthcare provider if symptoms persist.
Product Care
Storage & Handling
Store in a cool, dry place away from direct light, heat, and humidity. Keep out of reach of children. Follow the storage instructions provided with the product packaging.
Further Safety Information
Shipping & Authenticity
Shipping & Product Authenticity
GHK-Cu Hair Serum is supplied through the Peptide Hubs distribution chain and shipped with discreet, privacy-focused handling.
USA Domestic 3–5 business days
International 10–15 business days
Order Processing 24–48 business hours
Tracking Provided after dispatch
Direct Supply
Discreet Delivery & Original Packaging
The outer shipping package remains discreet, with privacy-focused handling. Products are supplied through the official Peptide Hubs distribution chain.
What to Expect
- Orders are processed after payment confirmation
- USA Domestic shipping is typically faster when local stock is selected
- International orders include tracking, though update frequency may vary by destination
- Multiple warehouses may result in separate shipments when applicable
Authenticity Verification
To verify your GHK-Cu Hair Serum product, use the security code on the label and cross-check it on the Peptide Hubs official site. Original packaging helps reinforce product legitimacy.
For complete delivery details, tracking policy, and reshipment terms, please see our Shipping Info page.
Storage
GHK-Cu Hair Serum Storage
Proper storage conditions help preserve product integrity and stability throughout the product's shelf life.
Recommended Conditions
Store GHK-Cu Hair Serum in a cool, dry place away from direct light, heat, and humidity. Keep the container tightly closed when not in use. Follow the storage instructions provided on the product packaging.
Do not freeze the product. Avoid exposure to excessive heat or direct sunlight, which may degrade the formulation.
Keep out of reach of children. For external use only.
Quick Reference
Do & Don't
- Do store in a cool, dry place
- Do keep the container tightly closed
- Do protect from direct light and heat
- Don't freeze the product
- Don't expose to excessive heat or sunlight
- Don't use if product appears discolored or separated
Frequently Asked Questions
GHK-Cu Hair Serum FAQ
Answers to common questions about GHK-Cu Hair Serum, the GHK-Cu peptide, and topical cosmetic applications for scalp and hair.
What is GHK-Cu Hair Serum used for?
GHK-Cu Hair Serum is a topical cosmetic product designed for scalp application. GHK-Cu has been studied for its potential to support scalp health and hair density via improved blood flow and reduced inflammation. It is not intended to diagnose, treat, cure, or prevent any disease.
How often should GHK-Cu Hair Serum be applied?
Informal guidance for topical GHK-Cu scalp products suggests applying a few drops (approximately 1–2 mL) to affected areas once or twice daily. Dosing is not standardized, and each product may differ. Read the product instructions for specific guidance.
Does GHK-Cu Hair Serum require PCT?
No. Post-cycle therapy is not applicable to GHK-Cu Hair Serum, as it is a topical cosmetic product and does not affect hormonal pathways. It does not suppress endogenous testosterone production or alter the hypothalamic-pituitary-gonadal axis.
What does GHK-Cu do for hair?
Research suggests GHK-Cu may stimulate dermal papilla cells, promote angiogenesis via VEGF upregulation, reduce scalp inflammation, and support collagen and keratin production around the follicle. Most of this evidence comes from cell cultures and animal studies, not large human trials.
How long does GHK-Cu Hair Serum take to work?
For hair and scalp applications, GHK-Cu can take several months before any significant difference is noticed. Long-term consistent use is typically needed for any possible results.
Is GHK-Cu approved by the FDA?
GHK-Cu is not FDA-approved as a drug. It is used as a cosmetic ingredient, and the Cosmetic Ingredient Review (CIR) Expert Panel has assessed copper peptides as safe in cosmetic formulations at currently marketed concentrations. Injectable GHK-Cu has never had clear FDA authorization for routine compounding.
What is the difference between GHK-Cu Hair Serum and GHK-CU 50 mg?
GHK-Cu Hair Serum is a ready-to-use topical cosmetic formulation, while GHK-CU 50 mg is a lyophilized powder intended for laboratory reconstitution and research applications. The Hair Serum is designed for direct external cosmetic use.
Can GHK-Cu Hair Serum be used with other hair products?
Some informal guidance suggests avoiding concurrent use of GHK-Cu with retinoid-containing products, as both may irritate the skin. Vitamin C serums may also interact due to pH differences, and separating application times by a few hours is commonly suggested. Combining with microneedling may improve absorption but should be avoided on irritated or broken skin.
Is 1.01 fl oz a lot of GHK-Cu Hair Serum?
A 1.01 fl oz (30 mL) container is a standard size for a scalp serum product. Given that 1–2 mL is typically applied per use, this quantity should provide sufficient product for approximately 15–30 applications, depending on the frequency and area of application.
What strength is GHK-Cu Hair Serum?
GHK-Cu Hair Serum by Peptide Hubs is supplied in a 1.01 fl oz (30 mL) container. The product is a topical formulation for external cosmetic use.
How should GHK-Cu Hair Serum be stored?
Store GHK-Cu Hair Serum in a cool, dry place away from direct light, heat, and humidity. Keep the container tightly closed when not in use. Do not freeze the product. Follow the storage instructions on the product packaging.
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Product Information Compound Details
Active Substance
GHK-Cu
Copper tripeptide-1 complex
1.01 fl oz
Strength 1.01 fl oz
Package 30 mL
Form Topical Formulation
Container 30 mL Bottle
Drug Class Cosmetic Peptide
Manufacturer Peptide Hubs
$15.00
Shipped International
Peptide Hubs
Product Information Compound Details
Active Substance
GHK-Cu
Copper tripeptide-1 complex
0.5 fl oz
Strength 0.5 fl oz
Package 15 mL
Form Topical Formulation
Container 15 mL Bottle
Drug Class Cosmetic Peptide
Manufacturer Peptide Hubs
$15.00
Shipped International
Peptide Hubs
Product Information Compound Details
Active Substance
GHK-Cu
Copper tripeptide-1 complex
Approx. 1.76 oz
Strength Approx. 1.76 oz
Package 50 g
Form Topical Formulation
Container 50 g Jar
Drug Class Cosmetic Peptide
Manufacturer Peptide Hubs
$15.00
Shipped International
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Product Information Compound Details
Active Substance
GHK-Cu
Copper tripeptide-1 complex
3.38 fl oz
Strength 3.38 fl oz
Package 100 mL
Form Topical Formulation
Container 100 mL Bottle
Drug Class Cosmetic Peptide
Manufacturer Peptide Hubs
$15.00