I feel like the lasers are hitting the same spots with each use. is that ok, or should i shift the helmet a little with each use? (model evo lh40)

Actually, each time you wear the Theradome the lasers are hitting slightly different parts of your scalp. But the way lasers work, once they hit the scalp, each laser beam spreads out, similar to water hitting a sponge, so it absorbs then scatters. Therefore you do not have to worry about trying to move the Theradome around to try to hit all spots on your scalp. After 20 minutes all the lasers light will have spread around fully around your scalp as well as penetrated deep within your scalp to hit the hair follicles. Hope this helps. Theradome Support Team

Is there a way to turn off the speaker?

Thanks for your question! Please press the master switch to turn the helmet on. Then double click the master switch to adjust the volume. The word “Theradome” will be spoken at your chosen volume level. You may double click the switch to lower the settings, which will decrease from loud, medium, soft, and silent before looping back to loud.

Can the battery be replaced myself if it dies or will it have to be returned to manufacturer for battery replacement?

Changing the battery is straight forward and you don't need to send your helmet back to us to replace. We have simple instructions and a video if you prefer to go through how to replace.

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EVO Laser Hair Growth Helmet LH40 – 100% Laser, No Ineffective LEDs – FDA-Cleared Red Light Therapy for Hair Regrowth 4x Week – Made in the USA

Product ID: 99789494

Details

Age Range (Description)
Adult
Brand
Theradome
Item Form
Laser Hair
Item Weight
672 Grams
Scent
Unscented

🔴100% Medical-Grade Laser Diodes

🧠Designed by Former NASA Scientist

🇺🇸Made in Silicon Valley, USA

796397CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔴 Unlock Your Hair’s Full Potential with NASA-Grade Laser Precision!

NASA LEVEL INNOVATION - Developed by a former NASA scientist, engineered for consistent, cutting-edge hair regrowth technology.
PRECISION LASER POWER - 40-80 premium laser diodes deliver focused, deep scalp penetration—no ineffective LEDs here.
LIGHTWEIGHT COMFORTABLE - At just 1.48 pounds, wear it while working or relaxing—comfort meets convenience in every session.
FDA CLEARED SAFETY EFFICACY - Clinically approved red light therapy you can trust, seamlessly integrating into your hair wellness routine.
HANDS FREE FULL SCALP COVERAGE - Ergonomic helmet design targets hairline, temples, and crown for effortless, comprehensive treatment.

The EVO Laser Hair Growth Helmet LH40 uses 100% medical-grade laser diodes—no LEDs—to deliver FDA-cleared red light therapy for effective hair regrowth. Designed by a former NASA scientist and made in Silicon Valley, this lightweight, ergonomic helmet offers full scalp coverage with 40-80 powerful lasers, ensuring deep, targeted treatment. Safe, comfortable, and easy to integrate into your routine, it’s a professional-grade solution for healthier, thicker hair.

Specifications

ASIN	B07K391B39
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	#79,515 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #10 in Hair Regrowth Devices
Customer Reviews	3.5 3.5 out of 5 stars (164)
Item model number	LH40 EVO
Manufacturer	Theradome
Product Dimensions	11.61 x 7.87 x 5.12 inches; 1.48 pounds
UPC	748252727206

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