Capillus Pro S1 Laser Cap For Hair Regrowth – Review (2025)
Watching your hair thin can feel disheartening, especially when you’re bombarded with treatment options promising miraculous results. The Capillus Pro S1 laser cap offers a different approach—low-level laser therapy you can use at home in just six minutes a day.
Disclosure: As an Amazon Associate I earn from qualifying purchases at no extra cost to you.
TL;DR
The Capillus Pro S1 uses 304 medical-grade laser diodes to potentially stimulate hair follicles through daily 6-minute sessions.
- Best for: Early to moderate hair thinning, people committed to daily use
- Skip if: Advanced hair loss, wanting instant results, on a tight budget
- Treatment time: 6 minutes daily with automatic shutoff
Check latest price on Amazon →
What Is the Capillus Pro S1?
The Capillus Pro S1 fits 304 laser diodes into a baseball cap design for treating hair loss at home. Each session takes just 6 minutes—about as long as brewing coffee—then shuts off automatically. The rechargeable battery means no cords, and the Bluetooth app sends daily reminders to help you stick with the routine.
This FDA-cleared device targets androgenetic alopecia using low-level laser therapy. If you’re dealing with early to moderate thinning and can commit to a quick daily habit, it’s built to slip easily into your morning routine.
Capillus Pro S1 Laser Cap – Specifications & Key Details
Feature | Details |
Laser Diodes | 304 medical-grade diodes |
Wavelength | 650nm |
Session Duration | 6 minutes with auto-shutoff |
Power Source | Rechargeable lithium battery |
Battery Life | Approximately 6-8 sessions per charge |
Design | Baseball cap style, adjustable sizing |
App Integration | Bluetooth tracking and reminders |
FDA Status | Cleared for androgenetic alopecia |
Pros:
✔️ Short daily commitment (6 minutes)
✔️ Hands-free design allows multitasking
✔️ FDA-cleared for androgenetic alopecia
✔️ No messy topical applications
✔️ Rechargeable battery for cordless use
✔️ Bluetooth app tracks usage patterns
Cons:
– High upfront investment
– Results develop slowly over months
– Requires consistent daily use indefinitely
– May not help advanced hair loss
– Limited coverage compared to clinical devices
How LLLT Works for Hair Growth

Low-level laser therapy stimulates hair growth through several mechanisms:
- Increased blood flow: The laser light improves microcirculation in the scalp, delivering more oxygen and nutrients to hair follicles.
- Cellular energy boost: LLLT activates mitochondria in cells, increasing ATP production. This extra energy helps revitalize weak or damaged follicles.
- Increased protein production: The light stimulates the production of proteins and growth factors essential for healthy hair growth.
- Reduced inflammation: The therapy has anti-inflammatory effects, which can be beneficial since inflammation often plays a role in hair loss conditions.
- Extended growth phase: LLLT may help keep hair follicles in the anagen (growth) phase longer, resulting in thicker, longer hair strands.
What to Expect & How to Track Progress
Success with any laser cap depends on forming steady habits and realistic expectations.
Set yourself up for consistency:
- Use your phone alarm or the app reminders for the same time daily
- Place the cap where you’ll see it during your morning routine
- Track sessions in the companion app to build momentum
Simple ways to monitor progress:
- Take photos from the same angle in consistent lighting monthly
- Watch for fine new hairs appearing along your hairline or crown area
- Part your hair the same way each time for accurate comparison
Keep realistic expectations. Changes develop slowly, and most people who see benefits notice less shedding before new growth becomes visible.
Capillus Pro S1 Results Timeline
While individual experiences vary, many users start noticing positive changes within a few months of consistent use. The first noticeable difference is often reduced shedding – you’ll likely see fewer hairs in the shower drain or on your pillow.
After this, new growth may become visible, particularly around the hairline and crown area. These new hairs typically start fine but gradually thicken over time.
By the 6-month point, many users report fuller-looking hair overall.
Important expectations: The Capillus Pro S1 won’t magically restore a full head of hair overnight. It works best for those in earlier stages of hair loss and needs patience and consistency. Results can vary based on factors like the underlying cause of hair loss, age, and overall health.
Check Price & Availability of the Capillus Pro S1 on Amazon
How to Use Capillus Pro S1 (Step-by-Step)
Getting started:
- Charge the battery pack completely before first use
- Download the Capillus app and pair via Bluetooth
- Adjust the internal band for a snug but comfortable fit
Daily routine:
- Put it on your head like a regular baseball cap
- Press the power button
- Wait for the 6-minute treatment to complete
- An automatic timer shuts off the device when finished
The Capillus app, which connects via Bluetooth, helps you track usage and monitor progress. You don’t have to worry about overuse since the device stops automatically.
Care and maintenance:
- Store in the provided case to protect components
- Clean the interior weekly with a slightly damp cloth
- Keep laser diodes free of hair products and oils
- Charge after every 6-8 sessions
Capillus Pro S1 Laser Hat – Troubleshooting & Care
- Missed sessions: Aim for daily use but don’t panic over occasional missed days. Set up multiple reminder methods until the habit sticks.
- Poor fit: The cap should feel snug without pressure points. Contact customer service if the sizing band doesn’t provide enough adjustment.
- Product buildup: Clean hair before sessions improves light penetration. Avoid heavy styling products on treatment days when possible.
- Warmth or tingling: Mild sensations are normal. Persistent discomfort or irritation warrants stopping use and consulting a healthcare provider.
- Battery issues: Batteries degrade over time. Factor replacement costs into your long-term budget planning.
- App problems: Ensure Bluetooth permissions are enabled. Try restarting both devices if pairing fails consistently.
- When to contact support: Device won’t power on, battery needs charging after each use, unusual heat, visible damage to diodes, or concerning scalp reactions.
Safety & Contraindications
LLLT isn’t for everyone. If you have photosensitivity, take photosensitizing medications, or have active scalp conditions, consult professional guidance first. Stop use if you notice persistent irritation or unusual reactions.
The Capillus cap is best for:
- Early to moderate androgenetic alopecia
- Those who are able to stick with daily routines for months
- Preference for non-medication approaches
Consider alternatives:
- Difficulty maintaining daily habits
- Advanced hair loss with significant bald areas
- History of photosensitivity or photosensitizing medications
- Active scalp conditions requiring medical treatment
- Very tight budget
Capillus Pro S1 vs Alternatives
Device | Session Time | Coverage | Standout Feature | Best For |
---|---|---|---|---|
Capillus Pro S1 | 6 minutes | 304 diodes | Quick sessions | Time-pressed users |
iRestore Professional | 25 minutes | 282 lasers + LEDs | Higher power levels | Thorough treatment |
HairMax LaserBand 82 | 90 seconds × 3 | 82 diodes | Multiple quick sessions | Flexible scheduling |
Kiierr 272 | 30 minutes | 272 diodes | Lower price point | Budget-conscious buyers |
Each device fits different situations and preferences. The Capillus Pro S1 works well if you want something quick—just 6 minutes and you’re done.
If you don’t mind spending more time and think longer treatments might work better, the iRestore Professional runs for 25 minutes.
If you’re looking for a more affordable red light therapy cap, the Kiierr 272 costs less, though you’ll need to wear it for 30 minutes.
The HairMax LaserBand 82 takes a different approach with three quick 90-second sessions instead of one longer one, which some people find easier to fit into their day.
Combining Hair Treatments
When considering hair loss treatments, it’s essential to:
- Identify the underlying cause (androgenetic alopecia, stress, nutritional deficiencies)
- Consider the type and stage of hair loss
- Assess your commitment level and budget
- Research potential side effects
- Consider a combination approach for best results
Often, combining treatments yields the best outcomes:
- LLLT (like the Capillus Pro S1)
- Topical treatments (minoxidil, saw palmetto)
- Oral medications (finasteride, biotin supplements)
- Scalp treatments (microneedling, PRP therapy)
- Lifestyle changes (stress reduction, improved nutrition)
Consult with a dermatologist or trichologist to determine the best treatment plan for your specific situation.
Final Thoughts: Is Capillus Pro S1 Right for You?
The Capillus Pro S1 works best for people who are committed to treating their hair loss and want to add something effective without complicating their routine.
If you’re using other treatments like minoxidil or finasteride and looking to maximize your results, the 6-minute sessions integrate seamlessly into daily life.
Women who need to avoid medications due to side effects find it particularly valuable as a standalone option. And while results take time to develop with a hefty upfront cost, the FDA clearance and convenience factor may be worth it if you’re looking for something legitimate that can easily be used at home.
The key is having realistic expectations and the patience to stick with it for several months. You just may be surprised at your results!
People Also Asked
How long does it take to see results with the Capillus Pro S1?
Consistent users may start noticing reduced shedding in about 8–12 weeks, early regrowth signs around 4–6 months, and fuller-looking density at 6–12+ months. Timelines vary by cause/stage of loss and strict daily use (6 minutes) is critical.
Is the Capillus Pro S1 FDA-cleared?
Yes, the Capillus Pro S1 is FDA-cleared for the treatment of androgenetic alopecia and to promote hair growth in men and women.
Can the Capillus Pro S1 cause side effects?
While side effects are rare, some users report mild scalp itching or tingling. It’s always best to ask with a healthcare professional before starting any new hair loss treatment.
How does the Capillus Pro S1 compare to other laser hair growth devices?
The Capillus Pro S1 stands out for its convenience and discreet design. It offers a higher number of laser diodes compared to many competitors, which may contribute to its effectiveness.