1. Does red light therapy really work for hair regrowth?
Yes. Clinical studies show it can increase hair density, thickness, and overall scalp health.
2. How long does it take to see results?
Typically 8–12 weeks of consistent use; full results may take 4–6 months.
3. How often should I use red light therapy for hair growth?
3–5 times per week, 10–20 minutes per session.
4. Is it safe to use every day?
Yes, RLT is non-invasive, non-UV, and safe for daily or near-daily use.
5. Can men and women both benefit?
Yes. Both genders can see improvements in hair density and thickness.
6. Can it replace hair growth medications like minoxidil?
It may complement or reduce reliance on medications, but consult a healthcare professional for severe hair loss.
7. Does it work for all types of hair loss?
It’s most effective for androgenetic alopecia and thinning hair; less effective for scarring alopecia or hair loss due to medical conditions.
8. Can I use it with other hair treatments?
Yes. It can be combined with topical treatments, shampoos, and supplements.
9. Does red light therapy have side effects?
Generally no. Some may experience mild scalp warmth, which is normal.
10. What device is best for hair regrowth?
Medical-grade devices like Merican red light therapy helmets and panels provide optimal wavelength and energy for effective scalp penetration.