Holo
Holo Extra Strength Pen Refill
Holo Extra Strength Pen Refill
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Ran out of gel from your Holo Teeth Whitening Kit? Hold on to your Holo mouthpiece and maintain your pearly white teeth with our pen refills.
You can get the regular Holo Pen Refills here.
The extra strength pen refill is perfect for impatient people and procrastinators. Have an important event coming up soon and need to get whiter teeth now? This is for you.
- Whitens your teeth faster
- Safe for enamel
- 100% vegan and cruelty-free
Save (and get free shipping!) when you order 3 Holo Pens!
Note: This is an extra strength pen, so remember to be extra careful. Follow instructions closely!
Boost your smile
You get a brighter, whiter smile faster than ever when you use the Extra Strength Pen with your Holo Kit. Perfect for when you're a little impatient (like us).
You're in the right place
See drastic improvements in just a few days. Goodbye teeth stains, hello whiter teeth.
Ultimate solution to a more radiant smile
Designed to deliver professional-grade teeth whitening results in the comfort of your home. Formulated to penetrate deep to remove tough stains, SAFELY and without sensitivity. No abrasive ingredients.
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Key Ingredients
Carbamide Peroxide
Used by dental professionals to whiten teeth safely and effectively. Works by allowing its oxygen molecules to react with your teeth's discolored molecules, producing whiter teeth while keeping enamel safe.
Hydrogen Peroxide
Also used by dentists to whiten safely and effectively. This additional HP gives the formula a little boost to get you whiter teeth faster.
Potassium Nitrate
Reduces and relieves tooth sensitivity by calming the nerve fibers and building protection.
Polyvinylpyrrolidone (PVP)
Helps prevent your teeth from developing new stains.
Full Ingredients List
Water, Carbamide Peroxide, Propylene Glycol, Glycerin, Carbomer, Cellulose Gum, Potassium Nitrate, Polyvinylpyrrolidone, Menthol, Sodium Hydroxide.
Good to Know
Instant results, Vegan, Cruelty-Free, No pain, No sensitivity, Removes stains from coffee, tea, smoking