FOREO Issa 4
$99.00
Hybrid silicone sonic toothbrush
World’s 1st hybrid sonic toothbrush
Tested by people. Approved by dentists. Loved by all.
Imagine a toothbrush so advanced, you only need to charge it once a year. Meet issaâ„¢ 4 hybrid sonic toothbrush – designed to work with the way you naturally brush, delivering a powerful yet gentle clean that’s clinically proven to improve overall oral hygiene by 140% in just one month. With Sonic Pulse technology and a unique hybrid brush head, it effectively removes plaque while protecting your gums. No bulky charging bases, no daily charging – just one USB charge for 365 days of effortless oral care.
Highlights
- 4-in-1 complete oral care
- The innovative hybrid brush head features 2 types of bristles on the front for an invigorating tooth clean & gentle gum massage, as well as a tongue and cheek cleaner on the back.
- Tough on plaque
- Clinically proven to remove 30% more plaque than your regular toothbrush. The inner polymer bristles are more durable than nylon, maintaining their effectiveness over time without bending or fraying.
- Gentle on gums, cheeks & tongue
- Clinically proven to reduce gingivitis. Outer silicone bristles prevent you from brushing too hard – which can cause tooth & gum sensitivity. Soft, medical-grade & bacteria-resistant. Gently cleans & massages more sensitive areas of the mouth.
- Brush head lasts 2x longer
- Environmentally conscious, issaâ„¢ 4’s one-of-a-kind revolutionary hybrid brush head stays cleaner for longer than other toothbrushes – which means that you only need to replace it once every 6 months.
- Sonic Pulse technology
- Delivers up to 11,000 high-intensity pulsations per minute, creating gentle micro-sweeps that deeply clean teeth, gums, cheeks, and tongue – leaving your mouth feeling fresh and truly clean.
- Smart Swedish design
- Lasts up to 365 days per single USB charge. 100% waterproof and free of BPA & phthalates for health and safety, making it perfect for use in the shower. Features a built-in timer and is app-connected, allowing you to customize settings.
Experience the future of oral care with issaâ„¢ 4. Powered by revolutionary, patented technology that delivers up to a full year of use on a single USB charge, this next- generation toothbrush combines advanced Sonic Pulse technology with a unique hybrid brush head – ultra-soft silicone bristles on the outside to gently protect gums, and high-performance polymer bristles on the inside to effectively remove plaque. Designed to work with your natural brushing motion, issaâ„¢ 4 offers the simplicity of manual brushing with the results of an electric toothbrush. Oral care has never been this effortless.
What makes it special?
- Clinically proven to improve overall oral hygiene by 140% in just 1 month.
- Clinically proven to remove 30% more plaque than your regular manual toothbrush.
- Clinically proven to reduce gingivitis & 100% of testers report whiter teeth.
- Hybrid brush head lasts 2x longer – only needs to be replaced after 6 months.
- 3 brushing modes: Deep Clean, Whitening & Sensitive – designed for a personalised oral care routine.
- Sonic Pulse technology delivers 11,000 pulsations per minute for a deep, gentle full-mouth clean.
- Access tailored brushing modes via the FOREO For You app.
What’s included?
- issaâ„¢ 4
- USB Charging Cable
- Travel Pouch
- Quick Start Guide
- issaâ„¢ Manual
3 brushing modes
- Whitening
- Designed to address moderate tooth discoloration with a higher Sonic Pulse intensity. Restores the natural whiteness of your teeth.
- Sensitive
- Delivers a lower Sonic Pulse intensity for more sensitive areas of the mouth. Ideal for individuals with gum inflammation or enamel erosion.
- Deep Clean
- Uses a moderate Sonic Pulse intensity to target stubborn plaque and surface stains. Ideal for hard-to-reach areas and a dentist-level clean at home.
Features
One-time investment
- Sustainable
- Premium quality & a product life of years. Brush heads last up to 2x longer than other toothbrushes.
- Cruelty-free & Vegan
- No animals were used in the development and testing of this product.
- Staggering battery life
- USB rechargeable with up to 365 uses per single charge.
- Hygienic & Waterproof
- Bacteria-resistant, free of BPA & phthalates, 100% waterproof, easy to clean.
Before & After
Clinical Results
Based on results from 3rd party clinical testing, in a 4-week trial with twice-daily use.
- Improves overall oral hygiene by 140% in just 1 month.
- Reduces gingivitis.
- Removes 30% more plaque than your regular manual toothbrush.
- 100% of users report whiter teeth & healthier-looking gums.
- STEP 1
- Apply toothpaste Apply your regular toothpaste to the issaâ„¢ brush head. Then press the universal button the turn on issaâ„¢ 4, and select your preferred mode in the app, if desired.
- STEP 2
- Brush Brush your teeth the same way as you would with a manual toothbrush for 2 minutes. Then use the back of your issaâ„¢ 4 brush head to gently scrape your tongue and inner cheeks.
- STEP 3
- Rinse Once finished, rinse your mouth and issaâ„¢ 4 with water. Repeat twice a day for a day for a fresher, brighter smile.
| Color | Arctic Blue, Fuchsia, Pearl Pink |
|---|


Shipping Delivery Times
For your convenience, we kindly request that all orders be placed by 12pm EST to start processing on the same day. Our dedicated team strives to ensure that all orders are processed within 1 business day. Please note that delivery times are based on orders placed between Monday to Friday. To learn more about our shipping policies and procedures, including international shipping rates, order tracking, and delivery times, please CLICK HERE to visit our shipping information page.
Related products
Circadia Amandola Milk Cleanser
$16.00 – $70.00Price range: $16.00 through $70.00
Circadia Lipid Replacing Cleansing Gel
$16.00 – $70.00Price range: $16.00 through $70.00
Circadia Micro-Exfoliating Honey Cleanser
$16.00 – $70.00Price range: $16.00 through $70.00




