Microcurrent devices suit shoppers who want a structured facial-toning routine at home, without adding another complicated appointment to a crowded schedule. The best microcurrent device for you depends less on feature count than on treatment consistency, conductive product requirements, controls, and evidence quality.

This guide covers 9 listed options across several price tiers, from compact tools to established systems with multiple intensity settings. For broader category context, visit our Microcurrent and Facial Toning category, then use this framework during October 2026 shopping.

1
-10%
Kdune 7-in-1 Hot & Cold Face Massager
Best Seller

Kdune 7-in-1 Hot & Cold Face Massager

Kdune
In Stock
9.9 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 5, 2026
Last update on Oct 5, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$66.99 Save $7.00
$59.99
Quick Verdict This 7-in-1 device combines microcurrent, red light, and hot/cold therapy for at-home face sculpting. It's a budget-friendly option for those seeking visible results with consistent use.
Pros & Cons

Pros

  • Multiple treatment modes in one device
  • Affordable entry point for face sculpting
  • Visible results with regular use
  • Heat and cool options for versatile care
  • Compact and travel-friendly

Cons

  • Microcurrent not adjustable in strength
  • Red light strip is small and focused
  • No adjustable intensity for microcurrent
Specifications
ColorWhite
SizeProduct Dimensions: 6.0in × 3.2in × 1.6in
Dimensions5.98 x 3.18 x 1.57 inches
Weight0.65625 pounds
Product GroupBeauty

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • 7-in-1 functionality with microcurrent, red light, heat, cold, and vibration
  • Targeted red light strip focuses care where the tool touches skin
  • Hot compress for warmth and relaxation, cold compress for depuffing
  • Violet and white microcurrent modes for gentle or stronger lifting
  • USB-C rechargeable with over a week of daily use per charge
  • Designed for face, neck, and jawline contouring
Best For / Avoid If

Best for buyers prioritizing

  • Multiple treatment modes in one device
  • Affordable entry point for face sculpting
  • Visible results with regular use

Consider another option if

  • Microcurrent not adjustable in strength
  • Red light strip is small and focused
  • No adjustable intensity for microcurrent
2
Editor's Pick

Hunvva EP-300 Microcurrent Facial Device

Hunvva
In Stock
9.8 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 5, 2026
Last update on Oct 5, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict The Hunvva EP-300 is an entry-level microcurrent and red light device that combines two anti-aging technologies in one compact, budget-friendly unit. Best for first-time users curious about at-home facial toning without a premium investment.
Pros & Cons

Pros

  • Affordable for the category
  • Dual microcurrent and red light
  • Lightweight and portable
  • Rechargeable battery included
  • New model release date

Cons

  • No clinical evidence provided
  • Zero user reviews at launch
  • Limited brand track record
Specifications
ColorWhite
SizeStandard size
Dimensions1.57 x 2.76 x 4.33 inches
Weight0.3 Pounds
Product GroupBeauty
BindingHealth and Beauty

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Dual microcurrent and red light therapy in a single device for targeted lifting and skin tightening
  • Compact and lightweight design (4.8 oz) for easy portability and comfortable handheld use
  • Smart photon technology intended to enhance microcurrent effectiveness for wrinkle treatment
  • Rechargeable lithium polymer battery included, eliminating the need for disposable batteries
  • Low price point compared to many microcurrent devices, reducing the barrier to entry for newcomers
  • New model (EP-300) with recent September 2024 release date, indicating current product iteration
3
Limited Time

Hunvva EP-300 Microcurrent Facial Device

Hunvva
In Stock
9.7 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict The Hunvva EP-300 combines gentle microcurrent therapy with red light to support facial lifting and skin tightening, offering a compact, rechargeable tool for daily use. It's best for budget-conscious shoppers seeking an easy-to-use entry into at-home anti-aging devices.
Pros & Cons

Pros

  • Dual microcurrent and red light technology
  • Gentle and comfortable on skin
  • Compact and portable design
  • Rechargeable battery included
  • User-friendly with simple mode switching

Cons

  • No clinical evidence or specs provided
  • Limited to facial use only
  • Battery life not specified in data
Specifications
Product Dimensions ‏‎ 1.57 x 2.76 x 4.33 inches; 4.8 ounces
Item model number ‏‎ QWT-Pink
Batteries ‏‎ 1 Lithium Polymer batteries required. (included)
Date First Available ‏‎ September 23, 2024
Manufacturer ‏‎ Hunvva
ASIN ‏‎ B0DHVQK2MF
Best Sellers Rank#105,209 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #128 in Wrinkle & Anti-Aging Devices
Customer Reviews4.4 4.4 out of 5 stars (233)

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Combines microcurrent and red light therapy for dual-action skin support
  • Gentle microcurrent feels comfortable on the skin, suitable for daily routines
  • Compact and lightweight design for easy handling and portability
  • Rechargeable with included lithium polymer battery for cordless use
  • Simple to use with multiple modes for customized treatment
  • Helps improve skin firmness and contour around jawline with consistent use
4
-23%
INIA Flare 3-in-1 Red Light Therapy Device
Top Rated

INIA Flare 3-in-1 Red Light Therapy Device

INIA
In Stock
9.9 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$129.99 Save $30.00
$99.99
Quick Verdict The INIA Flare is a 3-in-1 red light therapy device for face and neck that combines red and blue light with thermal therapy to support skin firmness and reduce puffiness. It is ideal for daily home use, with a lightweight design and multiple modes for a tailored skincare routine.
Pros & Cons

Pros

  • Lightweight and easy to hold
  • Multiple modes for personalized use
  • FDA-cleared for safety
  • Includes gel for comfortable treatment
  • Long battery life

Cons

  • Results require consistent daily use
  • Limited to face and neck area
  • No cryotherapy or advanced features
Specifications
Product Dimensions ‏‎ 2.05 x 1.89 x 7.4 inches; 1.32 pounds
Item model number ‏‎ INIA-BD001
Date First Available ‏‎ March 27, 2024
Manufacturer ‏‎ INIA
ASIN ‏‎ B0CZ764YVZ
Best Sellers Rank#12,079 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #2 in Galvanic Facial Machines
Customer Reviews4.4 4.4 out of 5 stars (2,017)

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Combines red and blue light with thermal therapy for a multitasking skincare session
  • Lightweight and ergonomic design makes daily use comfortable and easy to handle
  • Multiple modes allow customization to fit your specific skincare needs each day
  • FDA-cleared for safety, with visible results reported within two weeks of consistent use
  • Included gel enhances comfort and effectiveness of the treatment
  • Long battery life supports extended sessions without frequent recharging
Best For / Avoid If

Best for buyers prioritizing

  • Lightweight and easy to hold
  • Multiple modes for personalized use
  • FDA-cleared for safety

Consider another option if

  • Results require consistent daily use
  • Limited to face and neck area
  • No cryotherapy or advanced features
5
-40%
FOREO Bear Microcurrent Facial Toner

FOREO Bear Microcurrent Facial Toner

FOREO
In Stock
9.5 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$329.00 Save $130.01
$198.99
Quick Verdict The FOREO Bear is a microcurrent facial toning device that combines 5 levels of microcurrent with T-Sonic pulsations to lift, firm, and contour the face. It features an Anti-Shock System for safety and is designed for users seeking a non-invasive, at-home facial lifting treatment.
Pros & Cons

Pros

  • Fast treatment sessions
  • Anti-Shock safety feature
  • Clinically proven results
  • User-reported skin improvement
  • Compact and portable design

Cons

  • Requires specific serum for use
  • Potential device reliability issues
  • App dependency for some features
Specifications
Product Dimensions ‏‎ 3.11 x 1.54 x 2.52 inches; 3.2 ounces
Item model number ‏‎ F9502
Batteries ‏‎ 1 A batteries required. (included)
Manufacturer ‏‎ AmazonUs/CDE5X
ASIN ‏‎ B08G9B1JQ3
Best Sellers Rank#136,738 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #194 in Wrinkle & Anti-Aging Devices
Customer Reviews4.1 4.1 out of 5 stars (983)

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Combines microcurrent with T-Sonic pulsations for enhanced lifting and firming
  • Anti-Shock System automatically adjusts intensity for safety and comfort
  • Clinically proven to improve skin firmness and elasticity in 1 week
  • Users report brighter, more plump, and nourished skin
  • Designed for use with FOREO's Supercharged Serum for optimal conductivity
  • Quick and easy to incorporate into a nightly routine
Best For / Avoid If

Best for buyers prioritizing

  • Fast treatment sessions
  • Anti-Shock safety feature
  • Clinically proven results

Consider another option if

  • Requires specific serum for use
  • Potential device reliability issues
  • App dependency for some features
6

NuFACE Trinity+ Facial Massager with Lip & Eye

NuFACE
In Stock
9.4 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict The NuFACE Trinity+ is a premium microcurrent device that targets facial sculpting, with a dedicated lip and eye attachment for fine lines and a boost button for extra power. Best for those committed to a 5-minute daily routine who want FDA-cleared at-home results.
Pros & Cons

Pros

  • FDA-cleared microcurrent device
  • Three adjustable treatment modes
  • Boost button for extra power
  • Targeted lip and eye attachment
  • Long battery life per charge

Cons

  • Expensive for the segment
  • Bluetooth connectivity issues reported
  • Lip attachment may be redundant
Specifications
Product Dimensions ‏‎ 5.41 x 5.16 x 9.02 inches; 0.63 ounces
Item model number ‏‎ TRINITY+ and Lip & Eye Attachment
Batteries ‏‎ 1 Lithium Ion batteries required. (included)
UPC ‏‎ 850019720556
Manufacturer ‏‎ NuFACE
ASIN ‏‎ B09YCL95QV
Best Sellers Rank#88,305 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #95 in Wrinkle & Anti-Aging Devices
Customer Reviews3.9 3.9 out of 5 stars (56)

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • FDA-cleared for safety and efficacy in facial sculpting
  • Three microcurrent modes: Instant Lift, Pro Toning, Skin Tightening
  • Boost button delivers 25% more power for enhanced results
  • Lip and Eye attachment targets smile lines and brow lift
  • Rechargeable with USB-C, lasts 65 treatments per charge
  • Lightweight design at 0.63 ounces for easy use
7
-10%
Plum Beauty Microcurrent Toning Device

Plum Beauty Microcurrent Toning Device

PlumBeauty
Out of Stock
9.9 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$29.99 Save $3.00
$26.99
Quick Verdict The Plum Beauty Microcurrent Toning Device is an affordable entry-level facial massager for those new to microcurrent or seeking a budget-friendly option for daily toning and lymphatic drainage. It offers multiple speed settings and quick charging, but its lower price point may affect long-term durability compared to premium devices.
Pros & Cons

Pros

  • Affordable entry price for microcurrent
  • Multiple speed settings for gradual use
  • Compact and travel-friendly design
  • Quick charge and easy to clean
  • Works with various serums or lotions

Cons

  • Some units may stop working within weeks
  • Not as durable as premium alternatives
  • Limited to basic microcurrent features
Specifications
Package Dimensions ‏‎ 6.22 x 3.5 x 1.73 inches; 4.66 ounces
Item model number ‏‎ 843445037404
Date First Available ‏‎ January 29, 2026
Manufacturer ‏‎ Beacon Wellness
ASIN ‏‎ B0GKJDW38K
Best Sellers Rank#93,472 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #109 in Wrinkle & Anti-Aging Devices
Customer Reviews3.7 3.7 out of 5 stars (47)

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Multiple speed settings allow gradual intensity adjustment for comfortable use
  • Compact and travel-friendly design for on-the-go facial massaging
  • Quick charge time and easy cleaning for low-maintenance daily routine
  • Works with serums or lotions to enhance glide and reduce friction
  • Targets puffiness and wrinkles with consistent 5-10 minute sessions
  • Suitable for face and neck for comprehensive lymphatic drainage support
Best For / Avoid If

Best for buyers prioritizing

  • Affordable entry price for microcurrent
  • Multiple speed settings for gradual use
  • Compact and travel-friendly design

Consider another option if

  • Some units may stop working within weeks
  • Not as durable as premium alternatives
  • Limited to basic microcurrent features
8

NuFACE MINI+ Facial Sculpting Tool

NuFACE
Out of Stock
9.4 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict The NuFACE MINI+ is a compact, FDA-cleared microcurrent device for daily facial toning and contouring. It targets the cheeks, neck, and jawline with a 5-minute, 5x-per-week protocol, and is best for users seeking a portable, entry-level sculpting tool without the need for attachments.
Pros & Cons

Pros

  • FDA-cleared for safety
  • Wireless USB-C charging
  • Compact and travel-friendly
  • No attachments needed
  • 5-minute daily protocol

Cons

  • No intensity adjustment levels
  • Only targets face and neck
  • Requires consistent daily use
Specifications
Product Dimensions ‏‎ 4.78 x 3.91 x 7.14 inches; 1.1 pounds
Item model number ‏‎ 42022
Batteries ‏‎ 1 Lithium Ion batteries required.
UPC ‏‎ 850019720327
Manufacturer ‏‎ NuFACE
ASIN ‏‎ B09YCG7Q8V
Best Sellers Rank#33,751 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #27 in Wrinkle & Anti-Aging Devices

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Delivers low-level microcurrent to stimulate facial muscles for a lifted, contoured look
  • Compact, ergonomic design for easy targeting of cheeks, neck, and jawline
  • Wireless USB-C charging for cord-free use
  • Includes conductive activator gel to enhance microcurrent conductivity
  • FDA-cleared for safety and efficacy in facial toning
  • Recommended 5-minute daily sessions for visible results in 60 days
9

NuFACE Trinity+ Skin Tightening & Face Lift Device

NuFACE
In Stock
9.5 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Sep 21, 2026
Last update on Sep 21, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict The NuFACE Trinity+ is a microcurrent facial sculpting tool that uses three frequencies to contour the face, with a boost button for 25% more power and a 10-hour rechargeable battery. It is best for those committed to a multi-step at-home routine seeking long-term lifting and toning.
Pros & Cons

Pros

  • Three distinct microcurrent modes
  • Boost button for extra power
  • Rechargeable with USB-C
  • Long-lasting battery life
  • Supports multiple attachments

Cons

  • Expensive for the segment
  • 10-hour charge time
  • Limited to facial use only
Specifications
Product Dimensions ‏‎ 5.41 x 5.16 x 9.02 inches; 1.74 pounds
Item model number ‏‎ TRINITY+ Starter Kit
Batteries ‏‎ 1 Lithium Ion batteries required. (included)
UPC ‏‎ 850019720228
Manufacturer ‏‎ NuFACE
ASIN ‏‎ B09ZWNSS4L
Best Sellers Rank#75,753 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #78 in Wrinkle & Anti-Aging Devices

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Three microcurrent frequencies for instant lift, pro toning, and skin tightening
  • Boost button delivers 25% more power for enhanced sculpting
  • Rechargeable with wireless USB-C charging, 10-hour full charge
  • Long-term results with 5x weekly use for first 60 days, then 2-3x weekly
  • Works with multiple attachments for targeted facial contouring
  • Supports lymphatic drainage for depuffing and jawline definition

Microcurrent Technology and Evidence

Microcurrent devices deliver low-level electrical current through conductive contact points, typically across the face, jawline, and neck. Product claims often describe lifting, toning, contouring, or depuffing, but those terms do not guarantee a permanent cosmetic outcome.

Evidence quality differs between brands and models. A brand with documented instructions, clear use limits, and transparent device details deserves more confidence than a low-cost tool using broad claims without technical explanation.

Treatment Protocol and Consistency

Routine matters because microcurrent devices generally require repeated sessions rather than occasional use. NuFACE documentation supplied for several listed models recommends frequent initial sessions, followed by a lower maintenance schedule.

That schedule may suit disciplined users but frustrate anyone seeking a weekend-only routine. Before buying, check session length, recommended weekly frequency, charging requirements, and whether your calendar supports the protocol.

Conductive Gel and Ongoing Cost

Microcurrent needs suitable conduction between device and skin. Several established products are supplied with activator gel, while other devices may require separate conductive skincare, creating an ownership cost beyond the device itself.

Do not substitute ordinary facial moisturizer unless manufacturer instructions allow it. A product that feels elegant but requires frequent proprietary replenishment may cost more over time than a simpler device compatible with suitable conductive formulas.

Intensity, Controls, and Comfort

Adjustable intensity helps users start conservatively and adapt treatment to different facial areas. FOREO Bear lists five microcurrent levels and an Anti-Shock System that responds to skin resistance, while NuFACE Trinity+ lists three frequencies.

More settings do not automatically mean better results. Controls should be understandable, electrodes should maintain contact without excessive pressure, and treatment should not involve persistent discomfort, sharp sensation, or unexpected irritation.

Attachments, Light, and Extra Modes

Some listed devices combine microcurrent with red light, vibration, warming, cooling, or additional massage functions. These features can make a routine feel more versatile, but they also complicate comparisons because several technologies operate at once.

Choose extra modes only when you will use them. A seven-function tool may appeal to shoppers wanting one multipurpose device, while a focused microcurrent tool can offer clearer controls and fewer reasons to abandon the routine.

Size, Coverage, and Handling

Device shape affects how easily you can follow facial contours and reach the neck. A compact tool may fit travel routines and smaller treatment zones, while a larger system can feel more purposeful across cheeks, jawline, and forehead.

Compare electrode placement, charging method, storage, and cleaning instructions before purchase. A device that remains in a drawer delivers no practical value, regardless of its feature list or brand recognition.

Safety, Compatibility, and Warranty

Read manufacturer contraindications before using any electrical facial device. People with implanted electronic devices, certain medical conditions, active skin concerns, or recent procedures should seek professional advice before treatment.

Patch-test conductive products, avoid broken or irritated skin, and stop if treatment causes pain, unusual redness, or worsening irritation. Confirm warranty terms, included accessories, charging support, and replacement-product availability before paying a premium.

Why You Should Trust Us

Our comparison separates supplied product information from editorial interpretation. We assess stated technologies, published protocols, included accessories, control systems, supported use areas, and ownership considerations without claiming physical testing or results unsupported by supplied evidence.

We also treat ratings and marketing language cautiously because neither proves clinical effectiveness, durability, or suitability for every user. Missing specifications remain limitations, not invitations to fill gaps with assumptions.

Final Thoughts

Best overall fit goes to FOREO Bear Microcurrent Facial Device for shoppers who value adjustable microcurrent, T-Sonic pulsations, and an Anti-Shock System in one established design. Its broader feature set may appeal to users who want guided flexibility, though added technology does not remove the need for consistent use.

Best value fit goes to Plum Beauty Microcurrent Toning Device for shoppers prioritizing a lower-commitment entry into facial electrical tools. Supplied data gives limited technical detail, so buyers should confirm settings, protocol, charging, warranty, and conductive-product guidance before purchase.

Best specific-use choice goes to NUFACE Trinity+ Facial Massager + Lip & Eye for users wanting targeted treatment around brows, eyes, and lips. The attachment-focused design may justify its premium for that use case, but shoppers seeking basic cheek and jawline sessions may prefer a simpler configuration.

Consider NUFACE MINI+ Facial Sculpting Tool when compact facial coverage and a defined five-minute routine matter more than attachments. The right purchase remains conditional: choose protocol fit and safe use over the most impressive marketing claim.

FAQs

What is the best microcurrent device in 2026?

There is no universal winner. FOREO Bear suits shoppers wanting adjustable current and added pulsation, while NuFACE models suit buyers who prefer a defined facial-sculpting routine and established protocol.

Does microcurrent permanently lift facial skin?

Do not treat temporary toning or contouring claims as permanent results. Device outcomes can vary, and supplied information does not establish a guaranteed or lasting cosmetic effect.

Do microcurrent devices need conductive gel?

Microcurrent requires conductive contact. Follow each manufacturer’s instructions and use its recommended activator or compatible conductive product rather than assuming ordinary moisturizer will work.

How often should you use a microcurrent device?

Follow the device manual. Supplied NuFACE guidance recommends frequent initial use and less frequent maintenance, but schedules differ between products and should not be generalized.

Can beginners use microcurrent devices?

Beginners can start with the lowest appropriate setting, clean skin, suitable conductive product, and careful attention to instructions. Stop when treatment causes pain or unusual irritation.

Are red-light microcurrent devices better?

Red light adds another technology, not automatic superiority. Compare documented settings, intended use, safety guidance, and routine complexity before choosing a combined device.

Who should avoid microcurrent devices?

Follow manufacturer contraindications and ask a qualified professional if you have an implanted electronic device, relevant medical condition, active skin irritation, or recent cosmetic procedure.

How should I compare the best microcurrent device options?

Rank protocol fit, evidence transparency, comfort, settings, conductive-product cost, warranty, and charging practicality. Our Microcurrent and Facial Toning category provides wider category context.

Evidence and safety references

These references support the general technology and safety context. Product specifications can change; confirm the current manual and regulatory status before use.

  1. FDA 510(k) summary: microcurrent facial device
  2. Randomized trial: home-use multi-energy device for facial rejuvenation
  3. Systematic review: evidence for home-based dermatology devices

Safety note: Beauty devices are not a substitute for diagnosis or treatment. Follow the device instructions and consult a qualified clinician if you have a skin condition, take photosensitizing medication, are pregnant, or are unsure whether a device is appropriate.