- 4.7 / 5 from 825 reviews
- 35,000+ happy customers
- 2 PhD founders powered by NX35™ exosomes
- Free shipping on orders over $75
PowerCycle Clinically proven
Fuller, thicker-looking hair in 4 weeks
A targeted scalp serum powered by plant exosomes, designed to support fuller, thicker-looking hair and promote a healthier scalp environment.
- 100%of volunteers saw improved hair thickness
- +29%average increase in hair diameter
Third-party tested study · 50 participants · measured at 28 and 56 days
- Esquire Grooming Awards 2026
- Shop TODAY Hair Awards 2025
- Men’s Health Grooming Awards 2025
- Women’s Health Beauty Awards 2025
- Massage into a dry scalp, morning and night
- No rinsing, style as usual
- Powered by NX35™ plant exosomes
- Free shipping on orders over $75
- Secure checkout
- Free returns, backed by a 30-day money back guarantee
As Seen In
Twice a day, no rinsing
- 1
Start with a dry scalp
Apply directly to a clean, dry or towel-dried scalp, section by section.
- 2
Massage it in
Massage gently in circular motions until absorbed. Focus on thinning areas, the hairline and crown.
- 3
Morning and night
Use twice a day. No rinsing; style as usual. Results are clinically proven at 4 weeks.
Real Results
Clinically proven: stronger, fuller-looking hair in 4 weeks
Key Benefits
Expertly formulated to support healthy follicles, enhance hair density, and promote thicker, fuller-looking hair — while maintaining scalp hydration and overall scalp health.
Reactivates Dormant Follicles
Visible Density Boost
Reduces Shedding
Zero-Residue Formula
Scalp Health Optimization
How to Use
Ingredients
Niacinamide (Vitamin B3)
Caffeine
Rosemary Leaf Extract
Sodium Hyaluronate & Glycerin
Biotin & Panthenol
Why Plant Exosomes?
We grew tired of hair products that...
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Only coat the surface of the scalp
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Ignore long-term scalp health
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Deliver temporary density results
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Cause irritation or unwanted buildup
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Leave hair looking weak and thinning again
So we built something different
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Works at the molecular level
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Supports stronger, fuller-looking hair
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Helps improve density and reduce shedding
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Gentle, non-irritating daily scalp support
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Designed for long-term hair wellness and strength
This isn’t a quick fix. It’s a biological approach to hair.
Meet the BioHackers
Real reviews from real BioHackers
Complete your routine
Add a formula for another concern. Orders over $75 ship free.
Questions, answered
When will I see results?
PowerCycle is clinically proven to deliver fuller, thicker-looking hair in 4 weeks with twice-daily use. In a third-party tested study with 50 participants, results were measured at 28 and 56 days.
How do I use PowerCycle?
Apply to a clean, dry or towel-dried scalp, section by section, and massage in with circular motions until absorbed. Focus on thinning areas, the hairline and crown. Use morning and night. No rinsing; style as usual.
What is NX35™?
NX35™ is SickScience's plant-based biomimetic exosome technology, designed to support cell-to-cell communication.
How does the subscription work?
Pick a delivery frequency from every 3 to 10 weeks and save 15% on every order, with free shipping. You can change your schedule or cancel from your account.
Is shipping free?
Subscription orders and orders over $75 ship free.
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