Therasage TheraSmile toothbrushes in white and black with illuminated brush heads.

Black Therasage TheraSmile toothbrush with red light head fitted and a spare blue light head.

White Therasage TheraSmile toothbrush with blue light head fitted and a spare red light head.

Therasage TheraSmile red light brush head resting on a bathroom counter.

Black Therasage TheraSmile toothbrush resting on a travel wash bag.

Black Therasage TheraSmile toothbrush standing beside a bathroom basin.

Therasage TheraSmile Light Therapy Sonic Toothbrush

$147.00

A sonic toothbrush with two interchangeable light brush heads, one pairing 660 nm red with 830 nm near-infrared and one pairing 460 nm blue with 830 nm near-infrared. It has four modes, a 2-minute auto-off and a battery rated up to four weeks per charge with twice-daily 2-minute use.

Light heads
Red plus NIR and blue plus NIR
Sonic
31,000 rpm, four modes
Timer
30-second pacing, 2-minute auto-off
Battery
Up to 4 weeks, based on twice-daily 2-minute use

Color

Black White

Flexible Financing Options

Pay in 4 interest-free payments of $36.75 with Shop Pay, or from $13.27/mo est. 15% APR over 12 months

Plan	Monthly	Interest	Total paid

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At checkout, choose Shop Pay Installments as the payment method.
Pick your plan: 4 interest-free payments or monthly financing up to 12 months.

Shop Pay Installments is provided by Shopify in partnership with Affirm, for US orders from $35 to $30,000. The estimate assumes 15% APR over 12 months; rates range from 0 to 36% APR. Subject to an eligibility check; your actual rate and plans are shown at checkout. Prices exclude tax and shipping.

Tax free (except CA)

30 day returns

Free USA shipping

1 year warranty

TheraSmile combines 31,000 rpm sonic brushing with two interchangeable light brush heads, each with six integrated LEDs that switch on automatically in every brushing mode.

The red and near-infrared head pairs 660 nm red with 830 nm infrared. The blue and near-infrared head pairs 460 nm blue with 830 nm infrared.

Four modes (Clean, Sensitive, Polish and White) set the sonic frequency. A 30-second pacing reminder and a 2-minute auto-off keep the session length consistent, and a charge lasts up to four weeks with twice-daily 2-minute use.

Vibration frequency: 31,000 rpm
Modes: Clean (320 Hz), Sensitive (310 Hz), Polish (335 Hz), White (285 Hz)
Wavelengths: red 660 nm, blue 460 nm, infrared 830 nm
LEDs per brush head: 6 integrated
Timer: 30-second pacing reminder, 2-minute auto-off
Battery: rechargeable, up to 4 weeks per charge with twice-daily 2-minute use
Brush heads: 2 interchangeable, replaceable
Build: water-resistant handle

TheraSmile sonic toothbrush handle
Red plus near-infrared brush head
Blue plus near-infrared brush head
Charging cable
User manual

Snap on the brush head you want, red plus near-infrared or blue plus near-infrared.
Press the mode button to cycle through Clean, Sensitive, Polish and White.
The pacing reminder sounds every 30 seconds and the brush switches off at 2 minutes.
Replace brush heads about every 3 months, sooner if the bristles fray.
Rinse the handle and brush head after each use. Do not submerge the handle during charging.

31,000 rpm sonic brushing with four modes
Two light heads: red plus near-infrared, blue plus near-infrared
Six integrated LEDs in each brush head
30-second pacing reminder and 2-minute auto-off

1-Year Limited Warranty

TheraSmile comes with a 1-year limited warranty.

For shipping timelines and delivery details, please review our Shipping Policy.

If you have any questions before or after your purchase, call us at +1 (800) 686-5898.

30 Day Hassle-Free Returns

Most eligible products may be returned within 30 days of delivery in original condition and packaging. See our Refund Policy for full details.

How Returns Work

The return process is straightforward. Once approved, you'll receive return instructions and the correct return address. Items must be sent back in their original condition and packaging to ensure proper processing.

Important Return Information

Returns must be requested within 30 days of delivery. Items should be returned in original packaging and in unused condition. Depending on the product and manufacturer, return shipping costs, processing fees, or restocking fees may apply. Financing-related fees are non-refundable, and refunds are issued to the original payment method once the return is received and inspected.

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Black

$147.00
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TheraSmile Light Therapy Sonic Toothbrush against the other Oral Red Light Therapy Devices

Specifications as published by each manufacturer. Only models in stock are shown.

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Specification	This model TheraSmile Light Therapy Sonic Toothbrush	BioLight Guardian	BioLight Guardian+	BioLight Illume
Price	$147.00	$299.00	$399.00	$299.00
Type	Light therapy sonic toothbrush	–	–	–
Format	–	Red Light Oral Device	Red Light Oral Device	Red Light Oral Device
Coverage	–	Oral	Oral	Oral
Wavelengths	–	630 nm, 850 nm	460 nm, 630 nm, 850 nm	460 nm, 630 nm
Irradiance	–	65 mW/cm2 stated	2 mW/cm2 stated	–
Extras	–	2.5 hour battery	2.5 hour battery	2000 mAh battery
Size	–	–	–	10 x 1.1 in
Warranty	1 year warranty	3 year limited warranty	3 year limited warranty	3 year limited warranty
Shop	Add to cart	View details	View details	View details

See every model on the Oral Red Light Therapy Devices page. Ask our team for the full spec sheet for any machine.

Why the TheraSmile Light Therapy Sonic Toothbrush

A sonic toothbrush with interchangeable light heads and built-in timing.

31,000 rpm sonic brushing with four modes

Two light heads: red plus near-infrared, blue plus near-infrared

Six integrated LEDs in each brush head

30-second pacing reminder and 2-minute auto-off

Add to cart

Two unlit white Therasage TheraSmile interchangeable brush heads lying flat on a white surface.

Two light brush heads

A red plus near-infrared head (660 and 830 nm) and a blue plus near-infrared head (460 and 830 nm).

White Therasage TheraSmile brush head, neck and upper handle resting on a dry stone ledge.

31,000 rpm sonic motion

The handle drives the brush head at 31,000 rpm.

Therasage TheraSmile Light Therapy Sonic Toothbrush – view 5

Six LEDs per head

Each brush head has six integrated LEDs that switch on automatically in every mode.

Black Therasage TheraSmile toothbrush at rest viewed along its length from the head end.

Pacing and auto-off

A 30-second pacing reminder, then the brush switches off at 2 minutes.

Black Therasage TheraSmile front button and four printed brushing mode names.

Four brushing modes

Clean (320 Hz), Sensitive (310 Hz), Polish (335 Hz) and White (285 Hz).

White Therasage TheraSmile handle base and green battery indicator.

Up to four weeks per charge

Rated for twice-daily 2-minute use, and it varies by mode. A charging cable is in the box.

How to use the TheraSmile Light Therapy Sonic Toothbrush

1 - Charge and attach a head

Charge the handle fully on first use. Pick the red or blue light head and snap it onto the handle.

Therasage TheraSmile Light Therapy Sonic Toothbrush – in a bathroom

2 - Choose a mode

Press the mode button to cycle through Clean, Sensitive, Polish and White.

Therasage TheraSmile Light Therapy Sonic Toothbrush

3 - Brush for 2 minutes

A 30-second pacing reminder cues each part of the mouth, and auto-off ends the session at 2 minutes.

Specifications and details

Specifications

Specifications
Light
Wavelengths	Red 660 nm, blue 460 nm, infrared 830 nm
LEDs per brush head	6 integrated
Brush heads	Red plus near-infrared and blue plus near-infrared, interchangeable
Brushing
Vibration frequency	31,000 rpm
Clean mode	320 Hz
Sensitive mode	310 Hz
Polish mode	335 Hz
White mode	285 Hz
Timer	30-second pacing reminder, 2-minute auto-off
Power and build
Battery	Rechargeable, up to 4 weeks per charge with twice-daily 2-minute use
Handle	Water resistant

How the light heads work

Each brush head has six integrated LEDs that switch on automatically in every mode. One head pairs 660 nm red with 830 nm near-infrared; the other pairs 460 nm blue with 830 nm near-infrared.

Where to use it

Where to use it
Brushing with a 2-minute cycle
Alternating the red and blue light heads
Travel, with a charging cable and compact handle

What's in the box

What's in the box
TheraSmile sonic toothbrush handle
Red plus near-infrared brush head
Blue plus near-infrared brush head
Charging cable
User manual

Replacement heads

Replacement heads
Brush heads	Interchangeable and replaceable
Replacement interval	About every 3 months, sooner if bristles fray

Warranty

Warranty
Warranty	1-year limited warranty

FAQs

What is the difference between the two brush heads?

One head pairs 660 nm red with 830 nm near-infrared. The other pairs 460 nm blue with 830 nm near-infrared. Each has six LEDs.

Can I use it like a regular electric toothbrush?

Yes. The sonic brushing works on its own, and the LEDs switch on automatically in every mode.

What are the four brushing modes?

Clean at 320 Hz, Sensitive at 310 Hz, Polish at 335 Hz and White at 285 Hz, all on a 31,000 rpm motor.

How does the timer work?

A reminder sounds every 30 seconds so you can move to the next area, and the brush switches off at 2 minutes.

How long does the battery last?

Up to four weeks per charge with twice-daily 2-minute use; it varies by mode. The charging cable is in the box.

Are the brush heads replaceable?

Yes. Both heads are interchangeable and replaceable, about every 3 months or sooner if the bristles fray.

Is the handle water resistant?

Yes, the handle is water resistant. Rinse it after use and do not submerge it during charging.

What is in the box and what is the warranty?

The handle, both brush heads, a charging cable and a user manual. It has a 1-year limited warranty.

Where can I find longevity devices similar to the TheraSmile Light Therapy Sonic Toothbrush?

Check out these related biohacking equipment collections.

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