What is InfiniWell DUO?

InfiniWell DUO is a topical peptide blend formulated to support hair and scalp health. It combines GHK-Cu, a copper peptide with skin-renewing properties, and zinc thymulin, a peptide-mineral complex used to support healthy hair cycles. Together, these ingredients work synergistically to encourage follicle health, local circulation, and the appearance of thicker, fuller hair.DUO is ideal for those looking to maintain existing hair, improve visible fullness, or simply promote a healthier scalp without relying on invasive treatments.

What causes hair loss?

Hair loss occurs for many reasons, including genetics, hormonal changes, aging, stress, certain medications, and nutrient deficiencies. For some, hair thinning is gradual and tied to family history. For others, it can result from scalp imbalances, poor circulation, or stressors that affect follicle function.Over time, factors like harsh styling, chemical treatments, or sun exposure can impact not just scalp health but also hair color or texture—making strands appear dull, brittle, or uneven.Supporting scalp health through consistent care and targeted topical ingredients, like those in InfiniWell DUO, can help maintain stronger, fuller-looking hair and preserve the vibrancy of existing strands.

What is zinc thymulin?

Zinc thymulin is a peptide-mineral complex that combines zinc and thymulin, a peptide originally linked to thymus gland activity but also found in the skin and hair follicle structures.In lab studies using cultured human hair follicles, thymulin was shown to support hair shaft elongation and extend the anagen (growth) phase—suggesting its potential to promote healthy hair cycling at the follicular level. Zinc, in this context, helps stabilize thymulin and contributes to scalp health by regulating enzymes associated with hair shedding.Peptide-based compounds like zinc thymulin are often part of a broader wellness routine. When paired with balanced nutrition, scalp care, and consistent topical use, they can support long-term hair and skin health.

What does thymulin peptide do for hair and scalp health?

Thymulin peptide helps regulate immune and endocrine functions and may support normal hair follicle activity—especially when applied topically with zinc. While not a treatment for hair loss, thymulin peptide may promote a healthier scalp environment and more consistent hair growth cycles.

What are the side effects of zinc thymulin?

Zinc thymulin is generally well tolerated when used topically. However, as with any new skincare product, it's best to do a patch test. If you experience irritation or sensitivity, discontinue use and consult a healthcare professional.

Does zinc reduce DHT levels in the hair?

Zinc may influence enzymes involved in dihydrotestosterone (DHT) production, a hormone commonly linked to hair thinning in some individuals. DUO doesn’t claim to block DHT, but zinc thymulin can support a healthier scalp environment, which may help maintain normal hair growth.

What is the best form of zinc to support scalp health?

Topical zinc, especially when paired with thymulin as in InfiniWell DUO, offers a practical way to support scalp health. Applying it directly to the scalp allows the ingredients to work where they’re needed most—without relying on the body to process it internally.

Can GHK-Cu support hair growth?

GHK-Cu, also called copper peptide, may support hair growth by encouraging follicle signaling and improving blood flow to the scalp. It’s one of the most researched peptides in cosmetic dermatology and is also valued for its skin-supportive properties.In topical use, GHK-Cu may help even out skin tone and reduce the appearance of dark spots by supporting healthy cell turnover and calming discoloration—benefits that extend to the scalp as well as the face.That said, results can vary from person to person. GHK-Cu tends to show the most benefit when used consistently as part of a broader hair care routine, rather than on its own for those experiencing significant thinning.

Is GHK-Cu better than minoxidil?

GHK-Cu and minoxidil work differently. Minoxidil stimulates hair growth primarily through vasodilation (widening of blood vessels), while GHK-Cu supports the scalp environment by encouraging natural processes like collagen production, healthy circulation, and follicle signaling.Some users choose GHK-Cu for its scalp-friendly profile and added benefits for skin texture and tone.

What peptide is best for supporting hair health?

Peptides like GHK-Cu and zinc thymulin are two of the most widely used in non-invasive topical routines aimed at supporting scalp health and the appearance of fuller hair. Used together, they offer complementary benefits: GHK-Cu supports follicle signaling and circulation, while zinc thymulin helps maintain a balanced scalp environment.

How long does it take GHK-Cu to work?

Results vary. Some people see visible results in hair texture or thickness in 4 to 8 weeks. For best results, consistent use is key.

Is InfiniWell third-party tested?

Yes. InfiniWell products, including DUO, undergo third-party testing to verify purity, peptide content, and safety standards. Our manufacturing facility is GMP-certified by an independent body, underscoring our commitment to quality beyond basic compliance.From physician-formulated products to rigorously sourced ingredients, every InfiniWell formula reflects our focus on clinical consistency, transparency, and measurable outcomes.

What do InfiniWell reviews say about DUO?

InfiniWell reviews frequently highlight product quality, fast shipping, and reliable customer service. Verified buyers often mention long-term satisfaction with formulas like BPC-157 and GHK-Cu, with many users returning to try additional products.DUO, like other InfiniWell offerings, is consistently highlighted in reviews for its quality ingredients, thoughtful formulation, and positive user experiences.

Glossary of terms:Anagen phase: The active growth phase of the hair cycle, during which hair follicles produce new strands. A prolonged anagen phase is associated with thicker, longer hair.Collagen production: A natural process that supports skin and scalp structure. GHK-Cu may promote collagen synthesis, contributing to firmer skin and better follicle support.Dark spots: Areas of discoloration that may appear due to sun exposure, aging, or uneven skin tone. GHK-Cu is known for its potential to visibly improve skin appearance and promote a more even complexion.DHT (dihydrotestosterone): A hormone derived from testosterone, commonly associated with hair thinning and androgenetic hair loss in both men and women.Follicle signaling: The biological communication process between cells in and around the hair follicle that helps coordinate natural growth and cycling patterns.GHK-Cu: A copper peptide known for supporting hair and scalp health, collagen production, and visibly improving skin texture and tone.Hair cycle support: The use of nutrients or peptides to help maintain natural phases of hair growth, including anagen (growth), catagen (transition), and telogen (resting).Hair serum: A lightweight topical product designed to deliver concentrated ingredients directly to the scalp.Hair shedding: The natural release of hair strands from follicles, which can increase due to stress, hormone shifts, or poor scalp health.Hair thickness: Refers to the density and fullness of hair strands, often improved by strengthening follicles and prolonging the growth phase.Scalp environment: The overall condition of the scalp, including hydration, circulation, oil balance, and microbiome—all of which affect hair growth and retention.Topical application: Applying a product directly to the skin or scalp, allowing active ingredients to target the area locally without going through the digestive system.Vasodilation: The widening of blood vessels, which can increase blood flow to the scalp and support nutrient delivery to hair follicles.Zinc thymulin: A peptide-mineral complex used in topical solutions for maintaining hair follicle balance and healthy growth signaling.

DUO Zn-Thymuulin/GHK-Cu serum, 25ml dropper bottle.

Product details showing Aqua, DMSO, Copper Tripeptide-1, and Zinc Thymulin ingredients.

Blue hair serum bottle with dropper, 25ml, featuring a dual peptide complex.

Glass dropper bottle of cosmetic serum; blue liquid, minimalist label.

DUO

Name: DUO
Brand: Infiniwell
SKU: DUO
Price: 97.0 AUD
Availability: InStock
Rating: 4.9 (314 reviews)

Hair Nourishment*

$97.00

4.9

Rated 4.9 out of 5 stars

314 Reviews

Benefits
Overview
How To Use

Supports Follicular Proliferation & Differentiation
Promotes Growth Factors Involved in Hair Growth & Maintenance
Aids the Nourishment & Health of Hair Follicles
Supports the Structure & Strength of Hair Strands

This advanced formula harnesses the power of two key ingredients: GHK-Cu and Zn-Thymulin. This physician formulated serum is fast-absorbing and aims to produce visible results in less than 30 days. Together, GHK-Cu and Zn-Thymulin work synergistically to enhance ongoing nourishment and revitalization of the scalp, promoting the visible appearance of thick, lustrous hair.

HOW

Apply evenly to affected areas of scalp once daily. Avoid contact with eyes.

WHEN

Daily

DOSE

Apply evenly to affected areas of scalp.

Benefits
- Supports Follicular Proliferation & Differentiation
- Promotes Growth Factors Involved in Hair Growth & Maintenance
- Aids the Nourishment & Health of Hair Follicles
- Supports the Structure & Strength of Hair Strands
Overview

This advanced formula harnesses the power of two key ingredients: GHK-Cu and Zn-Thymulin. This physician formulated serum is fast-absorbing and aims to produce visible results in less than 30 days. Together, GHK-Cu and Zn-Thymulin work synergistically to enhance ongoing nourishment and revitalization of the scalp, promoting the visible appearance of thick, lustrous hair.
How To Use

HOW

Apply evenly to affected areas of scalp once daily. Avoid contact with eyes.

WHEN

Daily

DOSE

Apply evenly to affected areas of scalp.

Your Peers Approve - See Why

4.9

Rated 4.9 out of 5 stars

Based on 314 reviews

Total 5 star reviews: 288 Total 4 star reviews: 16 Total 3 star reviews: 7 Total 2 star reviews: 2 Total 1 star reviews: 1

97%would recommend these products

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Martin L.
Verified Buyer
1 month ago
Reviewing
Infiniwell
Rated 5 out of 5 stars
Infiniwell: The Trusted Source for Supplements
I had looked for a long time for a trusted source for supplements that had high standards and tested their products. My health is important to Me: my health is important to Infiniwell. It is that simple. Tested. Trusted. Effective.
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Brad G.
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15 hours ago
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Infiniwell
Rated 5 out of 5 stars
Great store
Easy purchase
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JS
Verified Buyer
23 hours ago
Reviewing
DUO
Rated 5 out of 5 stars
Great Product
Worked great at regrowing hair! Very satisfied with the product and with the companies other products.
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T B.
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Yesterday
Reviewing
Infiniwell
Rated 5 out of 5 stars
Great
Great
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Jennifer C.
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Rated 5 out of 5 stars
Fast shipping
Not much wait time for product
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FAQs

Targeted peptides, real results. InfiniWell DUO combines GHK-Cu and zinc thymulin, two widely used compounds for supporting hair health at the root—literally. Whether you're looking to see visible improvements in hair growth or simply keep your scalp in good shape, DUO offers a targeted, science-backed option you can feel good about using.

What is InfiniWell DUO?

InfiniWell DUO is a topical peptide blend formulated to support hair and scalp health. It combines GHK-Cu, a copper peptide with skin-renewing properties, and zinc thymulin, a peptide-mineral complex used to support healthy hair cycles. Together, these ingredients work synergistically to encourage follicle health, local circulation, and the appearance of thicker, fuller hair.
DUO is ideal for those looking to maintain existing hair, improve visible fullness, or simply promote a healthier scalp without relying on invasive treatments.
What causes hair loss?

Hair loss occurs for many reasons, including genetics, hormonal changes, aging, stress, certain medications, and nutrient deficiencies. For some, hair thinning is gradual and tied to family history. For others, it can result from scalp imbalances, poor circulation, or stressors that affect follicle function.
Over time, factors like harsh styling, chemical treatments, or sun exposure can impact not just scalp health but also hair color or texture—making strands appear dull, brittle, or uneven.
Supporting scalp health through consistent care and targeted topical ingredients, like those in InfiniWell DUO, can help maintain stronger, fuller-looking hair and preserve the vibrancy of existing strands.
What is zinc thymulin?

Zinc thymulin is a peptide-mineral complex that combines zinc and thymulin, a peptide originally linked to thymus gland activity but also found in the skin and hair follicle structures.
In lab studies using cultured human hair follicles, thymulin was shown to support hair shaft elongation and extend the anagen (growth) phase—suggesting its potential to promote healthy hair cycling at the follicular level. Zinc, in this context, helps stabilize thymulin and contributes to scalp health by regulating enzymes associated with hair shedding.
Peptide-based compounds like zinc thymulin are often part of a broader wellness routine. When paired with balanced nutrition, scalp care, and consistent topical use, they can support long-term hair and skin health.
What does thymulin peptide do for hair and scalp health?

Thymulin peptide helps regulate immune and endocrine functions and may support normal hair follicle activity—especially when applied topically with zinc. While not a treatment for hair loss, thymulin peptide may promote a healthier scalp environment and more consistent hair growth cycles.
What are the side effects of zinc thymulin?

Zinc thymulin is generally well tolerated when used topically. However, as with any new skincare product, it's best to do a patch test. If you experience irritation or sensitivity, discontinue use and consult a healthcare professional.
Does zinc reduce DHT levels in the hair?

Zinc may influence enzymes involved in dihydrotestosterone (DHT) production, a hormone commonly linked to hair thinning in some individuals. DUO doesn’t claim to block DHT, but zinc thymulin can support a healthier scalp environment, which may help maintain normal hair growth.
What is the best form of zinc to support scalp health?

Topical zinc, especially when paired with thymulin as in InfiniWell DUO, offers a practical way to support scalp health. Applying it directly to the scalp allows the ingredients to work where they’re needed most—without relying on the body to process it internally.
Can GHK-Cu support hair growth?

GHK-Cu, also called copper peptide, may support hair growth by encouraging follicle signaling and improving blood flow to the scalp. It’s one of the most researched peptides in cosmetic dermatology and is also valued for its skin-supportive properties.
In topical use, GHK-Cu may help even out skin tone and reduce the appearance of dark spots by supporting healthy cell turnover and calming discoloration—benefits that extend to the scalp as well as the face.
That said, results can vary from person to person. GHK-Cu tends to show the most benefit when used consistently as part of a broader hair care routine, rather than on its own for those experiencing significant thinning.
Is GHK-Cu better than minoxidil?

GHK-Cu and minoxidil work differently. Minoxidil stimulates hair growth primarily through vasodilation (widening of blood vessels), while GHK-Cu supports the scalp environment by encouraging natural processes like collagen production, healthy circulation, and follicle signaling.
Some users choose GHK-Cu for its scalp-friendly profile and added benefits for skin texture and tone.
What peptide is best for supporting hair health?

Peptides like GHK-Cu and zinc thymulin are two of the most widely used in non-invasive topical routines aimed at supporting scalp health and the appearance of fuller hair. Used together, they offer complementary benefits: GHK-Cu supports follicle signaling and circulation, while zinc thymulin helps maintain a balanced scalp environment.
How long does it take GHK-Cu to work?

Results vary. Some people see visible results in hair texture or thickness in 4 to 8 weeks. For best results, consistent use is key.
Is InfiniWell third-party tested?

Yes. InfiniWell products, including DUO, undergo third-party testing to verify purity, peptide content, and safety standards. Our manufacturing facility is GMP-certified by an independent body, underscoring our commitment to quality beyond basic compliance.
From physician-formulated products to rigorously sourced ingredients, every InfiniWell formula reflects our focus on clinical consistency, transparency, and measurable outcomes.
What do InfiniWell reviews say about DUO?

InfiniWell reviews frequently highlight product quality, fast shipping, and reliable customer service. Verified buyers often mention long-term satisfaction with formulas like BPC-157 and GHK-Cu, with many users returning to try additional products.
DUO, like other InfiniWell offerings, is consistently highlighted in reviews for its quality ingredients, thoughtful formulation, and positive user experiences.
Terms to know
Glossary of terms:
- Anagen phase: The active growth phase of the hair cycle, during which hair follicles produce new strands. A prolonged anagen phase is associated with thicker, longer hair.
- Collagen production: A natural process that supports skin and scalp structure. GHK-Cu may promote collagen synthesis, contributing to firmer skin and better follicle support.
- Dark spots: Areas of discoloration that may appear due to sun exposure, aging, or uneven skin tone. GHK-Cu is known for its potential to visibly improve skin appearance and promote a more even complexion.
- DHT (dihydrotestosterone): A hormone derived from testosterone, commonly associated with hair thinning and androgenetic hair loss in both men and women.
- Follicle signaling: The biological communication process between cells in and around the hair follicle that helps coordinate natural growth and cycling patterns.
- GHK-Cu: A copper peptide known for supporting hair and scalp health, collagen production, and visibly improving skin texture and tone.
- Hair cycle support: The use of nutrients or peptides to help maintain natural phases of hair growth, including anagen (growth), catagen (transition), and telogen (resting).
- Hair serum: A lightweight topical product designed to deliver concentrated ingredients directly to the scalp.
- Hair shedding: The natural release of hair strands from follicles, which can increase due to stress, hormone shifts, or poor scalp health.
- Hair thickness: Refers to the density and fullness of hair strands, often improved by strengthening follicles and prolonging the growth phase.
- Scalp environment: The overall condition of the scalp, including hydration, circulation, oil balance, and microbiome—all of which affect hair growth and retention.
- Topical application: Applying a product directly to the skin or scalp, allowing active ingredients to target the area locally without going through the digestive system.
- Vasodilation: The widening of blood vessels, which can increase blood flow to the scalp and support nutrient delivery to hair follicles.
- Zinc thymulin: A peptide-mineral complex used in topical solutions for maintaining hair follicle balance and healthy growth signaling.

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Benefits

Overview

How To Use