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Discover what our real customers have to say before we unveil our amazing product!

Honestly, I wasn’t expecting much from a whitening pen, but after about four uses my smile looked a tiny bit brighter—definitely not that “glow-in-the-dark” TikTok magic 😂. I just swipe two pumps on my brush morning and night, and after about three weeks… BAM! I hit my goal shade. Even when I took a few days off, my teeth didn’t snap back to yellow. It zaps stains without torching my sensitive gums (no “ouch” moments), and it actually tastes a little sweet—no crazy lab-chemical flavor 🧪So if you’re as skeptical as Sheldon with new experiments but still want an easy, gentle daily whitening hack, this pen is totally worth a shot 👍

 ⭐️⭐️⭐️⭐️⭐️

-Olivia Morgan

I’ve got to share this—last year I did laser whitening here in the U.S., dropped over $1,000 and ran back and forth to the dentist 🤦, only to have my gums shoot pain every time I ate ice cream. Sure, the results were noticeable… but they didn’t last. That price tag and constant sensitivity? Major regret. Then a friend told me about this whitening pen, and after going through five of them, I can honestly say it’s a total lifesaver. My teeth now gleam like pearl earrings. To prove it won’t bounce back, I actually stopped using it for a month after I hit my desired shade—and my smile stayed just as bright and natural-looking.

   ⭐️⭐️⭐️⭐️⭐️

-Chloe Davis

My dental hygienist actually recommended this to me. I haven’t smoked in over four years, but I drink a ton of coffee, wine, and anything else that stains teeth. After the very first use I could tell my smile was a bit brighter—maybe not earth-shattering, but everyone else noticed instantly! I got so many compliments, people were asking if I’d gone in for a dentist whitening session after just one try. I even snapped some pics after three weeks of using it and I’m honestly blown away. Solid 5 stars from me.

   ⭐️⭐️⭐️⭐️⭐️

-Jackson Reid

The SmileFitPro™ Teeth Whitening Essence is formulated to erase stains and whiten your teeth without damaging the enamel and gums.

A Smarter Way to Whiten

SmileFitPro™ Teeth Whitening Essence is a fast-acting, enamel-safe serum that removes deep-set stains caused by coffee, wine, smoking, or aging. Developed with professional-grade ingredients trusted by dentists, it gives you a noticeably whiter smile—without the sensitivity or high cost of in-office treatments.

Why It Works

Our advanced whitening serum penetrates beyond surface-level discoloration and breaks down stain molecules at the source. Unlike strips or abrasive pastes, SmileFitPro™ is gentle on enamel and suitable for daily use.

It also helps balance oral pH, promoting fresher breath and a cleaner mouth overall.

What Makes It Different

1、Lifts stubborn stains and plaque

2、Gentle enough for daily use

3、Enamel-safe, non-abrasive formula

4、Compact and travel-ready

5、Helps neutralize bad breath

6、Powered by dentist-recommended ingredients

Backed by Dental Professionals

“SmileFitPro™ provides a safe, convenient way to whiten at home. Its hydrogen peroxide base is clinically proven and gentle on enamel—perfect for patients who want visible results without sensitivity.”“SmileFitPro™ provides a safe, convenient way to whiten at home. Its hydrogen peroxide base is clinically proven and gentle on enamel—perfect for patients who want visible results without sensitivity.”

— — Dr. Charlotte Grant, DDS

This enamel-safe essence gives you noticeably brighter teeth after each treatment while protecting your gums and enamel from being irritated, making it a great option for those with tooth and gum sensitivity.

The Key Ingredients of SmileFitPro™ Teeth Whitening Essence

Hydrogen peroxide  

Hydrogen peroxide is a chemical compound with the formula H2O2. It is a powerful oxidizer and is commonly used as a bleaching agent, antiseptic, and disinfectant. In dentistry, hydrogen peroxide is used to whiten teeth, as it can break down organic molecules that cause tooth stains.

Sodium hydroxide  

Sodium hydroxide, also known as caustic soda, is a highly caustic and reactive compound that is commonly used in the manufacturing of various products, such as pulp and paper, textiles, and soaps. It is also used in the production of some cosmetics and personal care products as a pH adjuster or neutralizer. In dentistry, it is used as an ingredient in some teeth whitening products.

PEG-400  

PEG-400 is a water-soluble, biodegradable liquid commonly used in teeth whitening products. It helps the active ingredients penetrate and adhere to the enamel surface, allowing for a more effective and longer-lasting whitening effect. PEG-400 also acts as a lubricant, preventing any irritation or discomfort that may occur during the whitening process.

How to Use

1、Twist the pen to dispense serum.

2、Apply a thin layer to dry teeth.

3、Leave on and avoid eating or drinking for 30 minutes.

4、Use 1–2 times daily for best results.

SmileFitPro™ Teeth Whitening Essence – Frequently Asked Questions

Does it cause sensitivity?
No. SmileFitPro™ is formulated to be gentle on enamel and gums. Unlike many whitening products that can cause irritation or sharp sensitivity, ours is safe for daily use—even for those with existing sensitivity.

Can I use it on sensitive teeth?
Yes. SmileFitPro™ is safe and effective for people with sensitive teeth. It whitens without causing discomfort, making it ideal for long-term maintenance.

Is it safe for crowns, veneers, or bonding?
Yes. You can use SmileFitPro™ on dental work like crowns, veneers, composite bondings, and bridges. It won’t damage dental materials, though results may vary depending on the surface.

Does it work on Tetracycline stains?
Yes. While Tetracycline stains are deep and often difficult to treat, SmileFitPro™ helps reduce their appearance with consistent use. Results may take longer, but gradual improvement is possible.

How often should I use it?
We recommend once daily for most users. For faster or more intensive whitening, it can be used up to twice a day, depending on your sensitivity level.

When will I see results?
You may notice a temporary brightening effect immediately after application. With consistent daily use, most users report visibly whiter teeth within 5–10 days.

How long do the effects last?
You’ll experience an instant fresh, clean appearance that lasts up to 24 hours. Long-term improvements in tooth color build over 2–4 weeks of consistent use.

Can children or pregnant/breastfeeding individuals use it?
Yes. SmileFitPro™ contains no harsh chemicals, peroxide concentrations are within safe limits, and the formula is free from known toxic or hormone-disrupting ingredients. However, we always recommend consulting a healthcare provider for individual cases.

Do I need to reapply after eating or drinking?
Not required. SmileFitPro™ is effective with once-daily use, but it can be reapplied after meals, coffee, or wine if desired for touch-ups.

Can I use it with braces?
Yes. You can apply SmileFitPro™ around braces and brackets. It won’t interfere with orthodontic materials, but keep in mind that full whitening may be more visible after braces are removed.

Does it have a taste?
No. The formula is taste-free and scent-free. No bitter or chemical aftertaste.

Will it freshen my breath?
Yes. SmileFitPro™ helps neutralize oral pH and remove surface buildup that can contribute to halitosis. It leaves your mouth feeling clean and refreshed.

Will brushing remove the whitening effect?
No. Once the serum dries and bonds to the surface, brushing won’t wash away the effect. You can use it before or after brushing—it’s up to your routine.

Do I need to rinse it off?
Not necessarily. The formula dries within 5 minutes and leaves no visible residue. You may rinse after 5–10 minutes with water or mouthwash if preferred, but it’s not required.

Are the ingredients safe?
Absolutely. All SmileFitPro™ ingredients are dentist-approved, non-toxic, peroxide-based, and formulated with safety in mind. No long-term or short-term risks when used as directed.

Is SmileFitPro™ vegan and cruelty-free?
Yes. Our formula contains no animal-derived ingredients and is never tested on animals. We’re proudly cruelty-free and vegan-friendly.

Can I use it with LED whitening devices?
Yes. SmileFitPro™ is compatible with LED whitening lights and mouthpieces. Using it together can help accelerate results.

How should I store the product? 
Store in a cool, dry place, away from direct sunlight. Keep the cap tightly sealed after each use to maintain freshness.