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The Red Light Cap™ for Hair Growth and Reduced Hair Loss
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Stimulates hair growth
Buy now and pay later with Klarna
3 year warranty
Free shipping
Free returns
4.8
EXCELLENT
🛡️ Try it risk-free for 7 months
We are so confident in the quality of our product. But if you are not satisfied, simply return it and we will refund the full amount (incl. shipping) regardless of the reason.
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Description
It looks like a regular baseball cap – but advanced technology is hidden under the brim.
Our certified red light cap uses 330 light points with red (660 nm) and infrared (850 nm) light in low-level light therapy (LLLT) to stimulate blood circulation in the scalp. The result is better oxygen and nutrient uptake, a healthier scalp, and hair that grows stronger and denser over time. The light energises hair follicles, can reduce hair loss, reactivate growth at the root, and can also alleviate complaints such as itching, irritation, and redness.
It's comfortable to use, and you only need 10–30 minutes a day, 3-6 times a week, to see results – simple, safe, and without complicated routines.
What does the research say?
Red light therapy (LLLT) has been thoroughly studied as a non-medicinal method for hair growth, with dozens of published scientific studies since the early 2000s (see linked studies further down). The technology has been tested in clinical trials and is used both in clinics and for home treatment.
Research consistently shows that regular use over 2-6 months can:
Increase hair density
Reduce hair loss
Reactivate hair follicles in areas with initial thinning
The cap uses the same wavelengths (660 nm + 850 nm) that have been tested in research, and delivers the recommended dose with 10-30 minutes of daily use.
Results may vary from person to person – but you can try it risk-free with our 7-month money-back guarantee.
Does it help with all types of hair loss?
Red light therapy is best documented for the following types of hair loss:
Hereditary hair loss (androgenetic alopecia) – the most common form of hair loss in both women and men
Hair loss after pregnancy, stress or hormonal changes (telogen effluvium)
Diffuse hair thinning where the hair becomes thinner all over the head
Beginning baldness where the hair follicles are still active
The cap works by stimulating hair follicles that are still alive. This means that the earlier you start treatment, the better results you can expect.
There are certain types of hair loss that red light cannot help with – for example, hair loss from scarring or areas where you have been completely bald for many years. In these cases, the hair follicles have often gone into an inactive phase, and light alone cannot reactivate them.
Unsure if the Cap is right for you? You can test it risk-free with our 7-month money-back guarantee.
Are there any side effects?
Red light therapy is gentle and non-invasive, and the 660 nm and 850 nm wavelengths are non-thermal. Studies on hair growth have not reported serious side effects.
The 660 nm and 850 nm wavelengths are non-invasive and non-thermal – they do not heat the skin or scalp. The technology has been investigated in a number of scientific studies on hair growth without showing serious side effects.
The cap is also CE-marked for safe use.
How quickly can I expect results?
Hair follicles have a natural growth cycle, and red light therapy works over time. Here's what many users typically experience:
Month 1-2:
Hair loss may temporarily increase as weak hairs make way for stronger new growth. This is normal and is called "shedding," a common part of the hair's growth cycle.
Month 3-4:
Many begin to see a visible reduction in hair loss, and the first signs of new growth.
Month 5-6:
Hair loss is typically significantly reduced, and new hair strands become more visible.
Month 6+:
Continued use can lead to even better and more visible results, with minimal hair loss.
We recommend using the Cap for 10-30 minutes per day, 3-6 times a week. The Cap has a built-in timer that beeps and turns off automatically – so you don't have to worry about it.
Results vary from person to person. If you do not experience results within 7 months, you will get your money back.
Is it too late for me to start using red light for hair growth?
Research shows that red light therapy works as long as the hair follicles are still alive. In people who are gradually losing hair (e.g. thinning hair, receding hairline), red light can activate passive hair follicles and contribute to new hair growth – even in areas that are starting to become bald.
If, on the other hand, you have been completely bald for many years (often 5+), the hair follicles usually go into a dead phase. In this case, red light therapy will usually have little or no effect. However, it is impossible to know exactly when hair follicles die, so some may still experience an effect even after a long time.
To make it safe to try, we offer a 7-month money-back guarantee, so you can risk-free test whether red light therapy works for you.
Shipping & Returns
Shipping
Free shipping on all orders.
Delivery
Time
Most orders are despatched within 1 day and delivered within 2-5 days.
Returns
100% Satisfaction Guarantee
Yes, we gladly accept returns within 7 months regardless of the reason, with a full refund, even for products that have been opened and used. Additionally, we cover the shipping costs. This allows you to test the cap risk-free.
Reliable
delivery
All deliveries in Norway are carried out by PostNord and Posten.
Jump to:
How to use it?
Frequently Asked Questions
Real results from real customers
FAQ
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OUR RETURNS POLICY IS SIMPLE, SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE, SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE: SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE: SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE, SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE, SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE: SATISFIED OR YOUR MONEY BACK.
OUR RETURNS POLICY IS SIMPLE: SATISFIED OR YOUR MONEY BACK.
Real results from real customers
Individual results may vary. Everyone's scalp is unique and may respond differently to our products. We offer a 7-month free trial period for the red light cap, so you can easily return the product for a full refund if you are not 100% satisfied with the results.
How Quickly Can You Expect Results?
Month 1-2
For many, this period is primarily about stabilising hair loss. Most will notice reduced hair shedding when washing and brushing. Individuals with less advanced hair loss will often see quicker signs of improvement.
Reduced hair loss can be noticed
Increased blood circulation
Hair loss stabilised
Less irritated scalp
Month 5-6
New hairs begin to fill in areas that were previously thinner, while existing hairs become stronger and more robust.
More hair growth, stronger hair
New hair fills in thinner areas
Existing hair becomes stronger
Month 3-4
Subtle new hair growth may become visible, and hair may appear thicker and healthier. Hair loss is significantly reduced or completely gone for many.
First signs of new hair growth
Clearly reduced hair loss
Fine baby hairs will emerge
Many people are starting to see a clear difference
Month 6-12
New hair growth will be fuller and more even, and the hair will appear thicker and stronger. This is the phase where the most visible results appear, but the timeline will vary based on your individual hair loss and how you respond to the treatment.
Results continue
Increased hair density over time
Fuller and more even new hair growth
The most visible and lasting results appear
100% satisfaction guarantee for 7 months
We are so confident in the results that you can test the cap completely risk-free. If you're not satisfied, you'll get your money back.
PS: We could never have offered this guarantee if the cap hadn't been effective. Fortunately, few people return it – most choose to keep the cap.
How to use your satisfaction guarantee
Send the package to us free of charge and easily using this link with PostNord:
- https://my.postnord.no/return?q=LYSTERAPIFREE
We will refund the money within 0-10 days of receiving the product in good condition.
What does the research show?
Decades of research show that red light therapy (LLLT) can help stimulate hair growth and reduce hair loss.
Incredibly easy to use
Put on the Cap
Ta capsen på hodet og trykk inn på-knappen slik at den begynner å lyse.
10–30 minutes per treatment
Enjoy the results
Bruk capsen 3-6 ganger i uken. Mange ser gradvis større forbedringer de første 6 månedene. Ta gjerne et før- og etter-bilde for å se endringene mer tydelig.
Real results from real customers
Individual results may vary. Everyone's hair is unique and may respond differently. We therefore offer a 7-month free trial period, so you can easily return them for a full refund if you are not 100% satisfied with the results.
How Quickly Can You Expect Results?
Month 1-2
For many, this period is primarily about stabilising hair loss. Most will notice reduced hair shedding when washing and brushing. Individuals with less advanced hair loss will often see quicker signs of improvement.
Reduced hair loss can be noticed
Increased blood circulation
Stabilised hair loss
Less irritated scalp
Month 3-4
Subtle new hair growth may become visible, and hair can appear thicker and healthier. Hair loss is significantly reduced or completely gone for many.
First sign of new hair growth
Clearly reduced hair loss
Fine baby hairs will appear
Many are beginning to see a clear difference
Month 5-6
New hair begins to fill in areas that were previously thinner, while existing hair strands become stronger and more robust.
More hair growth & fuller hair
New hair fills in thinner areas
Existing hair becomes stronger
Month 6-12
New hair growth becomes fuller and more even, and the hair appears denser and stronger. This is the phase where the most visible results appear, but the timeline will vary based on your individual hair loss and how you respond to the treatment.
The results continue
Increased hair density over time
Fuller and more even new hair growth
The most visible and lasting results become apparent
What does the research show?
Decades of research show that red light therapy (LLLT) can help stimulate hair growth and reduce hair loss.
Super easy to use
Put on the Cap
Place the cap on your head and press the button to activate the lights.
10–30 minutes per treatment
Enjoy the results
Use the cap 3-6 times a week. Many see gradual improvements over the first 6 months. Feel free to take a before and after picture to see the changes more clearly.
Frequently Asked Questions
Who is behind Lysterapi.no?
We are a Norwegian company (Dynamic Products AS) with an office in Oslo and a warehouse in Drøbak. You are not buying from abroad – we have Norwegian invoicing, Norwegian customer service, and a 5-year right of complaint.
Should you have any questions, you can reach us by email (support@lysterapi.no) or SMS (+47 90 92 84 07).
Does a power bank come with it? How do I get power?
The cap comes with a USB cable and can be used with a standard USB charger (the same type as most mobile chargers) or with a simple power bank for wireless use. A power bank is not included, but only costs 100-150 NOK at Power, Elkjøp, or Clas Ohlson – and lasts for many treatments.
Can I use the products if I am taking medication?
Red light therapy is non-invasive and does not affect how medications work. For the vast majority of medication types, the Cap can be used safely.
Nevertheless, there are medications that make the skin more light-sensitive (for example, certain antibiotics, diuretics, or special skin treatments). If you are using prescription medications – especially photosensitising preparations – we recommend that you check with your GP before starting.
Many of our customers use the cap in conjunction with medical treatments for hair loss (such as Minoxidil or Finasteride). If in doubt, check with your doctor.
Can I combine it with other treatments?
Yes, the Cap can be safely combined with most other hair growth treatments – and often becomes more effective in combination:
Minoxidil/Rogaine: Can be used together. Allow skin to dry completely before using the cap.
Finasteride (Propecia): Many of our customers use both – the light works locally on the scalp, independently of the medicine. If in doubt, ask your doctor.
Supplements (biotin, iron, zinc): Complementary – nutrition from within, light from without.
Clinic treatments (PRP, mesotherapy): The Cap can be used between treatments for maintenance.
The Cap can also be used alone – many experience good effects without supplements. Start simple, and add other elements as needed.
What happens if the cap doesn't work for me?
We offer a 7-month money-back guarantee, no questions asked. You can try the product for over half a year – enough time to see real results – and get a full refund if you're not satisfied. We also cover return shipping costs.
FAQs
Still unsure about something?
Ask us directly
Frequently Asked Questions
Who is behind Lysterapi.no?
We are a Nordic company (Dynamic Products AS) with an office in Oslo and a warehouse in Leeds. You are not buying from abroad – we have Norwegian invoices, Norwegian customer service, and a 5-year warranty.
If you have any questions, you can reach us by e-mail (support@lysterapi.no) or SMS (+47 90 92 84 07).
Is a power bank included? How do I get power?
The cap comes with a USB cable and can be used with a standard USB charger (the same type as most mobile chargers) or with a simple power bank for wireless use. A power bank is not included, but only costs between 10-15 at Currys, PC World or Argos – and lasts for many treatments.
Can I use the products if I am taking medication?
Red light therapy is non-invasive and does not affect how medications work. For the vast majority of medication types, the Cap can be used safely.
Nevertheless, there are medications that make the skin more photosensitive (e.g., certain antibiotics, diuretics, or special skin treatments). If you are using prescription medications – especially photosensitising preparations – we recommend that you check with your GP before starting.
Many of our customers use the Cap in conjunction with medical treatments for hair loss (such as Minoxidil or Finasteride). If in doubt, check with your doctor.
I am currently pregnant or breastfeeding, is this safe for me and my baby?
Red light therapy is non-invasive and considered gentle, but it has not been extensively studied during pregnancy and breastfeeding. If you are pregnant or breastfeeding, we recommend checking with a doctor first.
Can I combine it with other treatments?
Yes, Capsen can be safely combined with most other hair growth treatments – and often becomes more effective in combination:
Minoxidil/Rogaine: Can be used together. Allow skin to dry completely before using Capsen.
Finasteride (Propecia): Many of our customers use both – the light works locally on the scalp, independently of the medication. If you are unsure, ask your doctor.
Supplements (biotin, iron, zinc): Complementary – nutrition from within, light from without.
Clinic treatments (PRP, mesotherapy): Capsen can be used between treatments for maintenance.
Capsen can also be used alone – many experience good results without supplements. Start simply, and add other elements as needed.
What happens if the cap doesn't work for me?
We offer a 7-month money-back guarantee, no questions asked. You can try the product for over half a year – enough time to see real results – and receive a full refund if you're not satisfied. We also cover return shipping costs.
Frequently Asked Questions
Still unsure?
Ask us directly
Other Details
Specifications
• Wavelengths: Red light (660 nm) and infrared light (850 nm) - two proven wavelengths for hair growth
• Power density: 135 mW/cm2
• Treatment time: 10-30 minutes per session
• Zero EMF
• Certifications: CE, RoHS and FCC
INCLUDED
• 1 x Red Light Cap with adjustable strap
• Control unit
• Power adapter with UK plug
USB-C to USB-A cable
• Instructions
Do you have any further questions?
Ask Our Team
Increased hair growth or your money back
We are so confident in the results that you can test the cap completely risk-free. If you're not satisfied, you'll get your money back.
PS: We would never have been able to offer this guarantee if the cap hadn't been effective. Fortunately, few people do – most choose to keep the cap.
How to use the 7-month hair guarantee
To receive a full refund, the return must include the product, original packaging, instructions, and accessories. All items must be returned in good, working condition with normal wear and tear.
It may take up to 10 business days from the receipt of the return for the money to be refunded back to your bank account.
Returns:
Simply send the package to us using this link with PostNord:
- https://my.postnord.no/return?q=LYSTERAPIFREE
The product will then be sent to our warehouse free of charge:
Holtbråtveien 143, 1449 Drøbak
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