







Copper Peptide Hair Tonic with GHK-Cu and Acetyl Tetrapeptide-3
Key Benefits
A clinical-concentration dual-peptide hair serum formulated to support scalp health and hair density appearance. Applied topically to clean scalp once daily in under 30 seconds
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How to Use PLU Hair Tonic
Clinical-strength peptides in 30 seconds.
No complicated steps, no guesswork.
Application Steps
1 Part
Works on dry or damp hair. Create sections to expose scalp.
2 Apply
Dispense directly onto scalp. Use fingertips to massage into areas of concern
3 Leave In
Do not rinse. Style hair as usual. Use morning and/or night.
Dual-Peptide System for Fuller-Looking Hair
Clinically studied GHK-Cu + Acetyl Tetrapeptide-3 at concentrations that match published research. Designed for visible improvements in hair density appearance and scalp health.
Key Benefits
Supports Hair Appearance
GHK-Cu copper peptide supports scalp's natural processes for fuller-looking hair and improved density appearance
Enhances Hair Look
Acetyl Tetrapeptide-3 helps improve how hair appears with consistent use and follicle support
Scalp Health Support
Designed to help maintain healthy-looking scalp conditions and follicle appearance
Research-Backed Formula
Based on clinical studies examining peptide concentrations and their effects on hair appearance
The Science Behind Hair Tonic
GHK-Cu (Copper Peptide Complex)
A copper tripeptide studied for its role in supporting scalp's natural processes and hair appearance. Research published International Journal of Molecular Sciences describes GHK-Cu as a naturally occurring copper complex examined for tissue remodeling processes that may affect how hair follicles appear and function.
Our formulation uses 1% GHK-Cu concentration consistent with clinical research examining this peptide's effects on hair density appearance.
Acetyl Tetrapeptide-3 (Biomimetic Peptide)
A biomimetic peptide extensively studied for supporting hair density appearance. Clinical research suggests this peptide may help hair appear more securely anchored by targeting the mechanisms that keep follicles healthy-looking.
Our Hair Tonic uses 1% Acetyl Tetrapeptide-3 concentration as studied in clinical literature examining effects on scalp health and hair appearance.
Learn more about our peptides: GHK-Cu Research | Acetyl Tetrapeptide-3 Research
Ingredient Transparency
Active Ingredients
GHK-Cu (1%): Copper Tripeptide-1 for scalp and hair appearance
Acetyl Tetrapeptide-3 (1%): Biomimetic peptide for hair density appearance
What's NOT Inside
No parabens, sulfates, harsh chemicals, or synthetic fillers. No DHT blockers or hormonal ingredients - just focused peptide technology at clinical concentrations.
Complete Ingredient List (INCI): Water (Aqua), Glycerin, Copper Tripeptide-1, Acetyl Tetrapeptide-3, Phenoxyethanol
What to Expect
Results typically become visible within 6-8 weeks of consistent daily use:
Individual results may vary. Consistent daily application recommended.
Product Details & Safety Information
Size Options:
10 mL (0.33 fl oz) or 30 mL (1.0 fl oz)
Usage Period:
12 months after opening
Made in: Mexico
For External Use Only
Avoid contact with eyes. Discontinue if irritation occurs.
Distributed by:
PLU Laboratories
Prospect Heights, IL 60070
Frequently Asked Questions
How long until I see results?
Most users notice initial improvements in hair appearance and shine within 3-4 weeks of consistent daily use. More significant changes in hair density appearance typically become visible around 6-8 weeks, consistent with clinical study timelines examining peptide formulations at the concentrations we use.
For optimal results, we recommend applying Hair Tonic daily for at least 8-12 weeks and continuing long-term for maintained appearance benefits.
Can I use Hair Tonic with other hair products?
Yes! Hair Tonic is designed to be used alongside your regular hair care routine. Apply it directly to the scalp on clean, towel-dried hair, allow it to absorb, then style as usual.
You can use Hair Tonic with shampoos, conditioners, and styling products. Just ensure the scalp is clean before application for optimal absorption.
Is Hair Tonic safe for sensitive scalp?
Our formulation focuses on peptides without harsh chemicals, parabens, sulfates, or synthetic fillers. However, as with any new scalp product, we recommend patch testing on a small area first.
If you have specific scalp concerns or conditions, consult with a dermatologist before use.
What makes PLU's Hair Tonic different from other hair growth products?
Most hair products either use DHT blockers (which can have hormonal effects) or dilute their active ingredients with multiple additives. Hair Tonic uses dual-peptide technology at clinical concentrations: 1% GHK-Cu + 1% Acetyl Tetrapeptide-3.
We intentionally exclude DHT blockers and hormonal ingredients, focusing instead on peptides studied for supporting hair appearance through follicle health mechanisms. This matches the concentrations examined in published research.
Should I use Hair Tonic morning, night, or both?
Once daily application is sufficient - we recommend applying at night to clean, towel-dried scalp before bed. This allows the peptides maximum time to absorb without interference from styling products or environmental factors.
The key is consistency. Choose a time that works for your routine and stick with it daily for optimal results.
Can I use Hair Tonic with Face Tonic?
Absolutely! Many users apply both products daily for comprehensive peptide support across scalp and face. Hair Tonic targets hair density appearance while Face Tonic addresses skin firmness and fine lines.
Both products take under 30 seconds to apply each, making them easy to incorporate into your daily routine together. Total time investment: under 60 seconds daily.
Will Hair Tonic work for all hair types?
Hair Tonic is designed to work across various hair types and textures. The peptide formulation focuses on supporting scalp health and follicle appearance rather than targeting specific hair types.
Users with straight, wavy, curly, and coily hair have all reported positive results. The key is consistent daily application to the scalp.
What's the difference between the 10ml and 30ml sizes?
10 mL (0.33 fl oz): Approximately 4-6 weeks supply with daily use (1-2 droppers). Perfect for trying Hair Tonic or for travel.
30 mL (1.0 fl oz): Approximately 12-18 weeks supply with daily use. Best value for consistent long-term use to see optimal results and maintain appearance benefits.
Do I need to rinse Hair Tonic out?
No! Hair Tonic is a leave-in treatment. Apply directly to the scalp, massage gently for absorption, and leave in. There's no need to rinse.
The peptides need time to absorb into the scalp for optimal effectiveness. Apply to clean, towel-dried scalp and allow it to work throughout the day or overnight.
Why doesn't Hair Tonic include DHT blockers like finasteride?
DHT blockers can have systemic hormonal effects that some users prefer to avoid. We focused on peptide technology studied for supporting hair appearance through follicle health mechanisms without hormonal interference.
Our dual-peptide system (GHK-Cu + Acetyl Tetrapeptide-3) works through different pathways examined in clinical research on scalp health and hair density appearance. Learn more about our approach on our Men's Hair Tonic page.
Inside the Lab: PLU’s Science & Skincare Insights
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