Does the Opalescence unflavored 35% 4 pack (1 count) for $39.99 actually have 4 syringes? The description is unclear.

Yes. The ones I have had actually has 4 packs.

What is the expiry date ?

im sure each batch would have its own exp date. might be good for 6 months or a year. keep it in the fridge and it will last longer

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Description

✨ Brighten Your Smile, Elevate Your Confidence! ✨

NO LED REQUIRED - Convenience meets effectiveness.
GLUTEN FREE KOSHER - Safe and suitable for all smiles.
WHITEN UP TO 10 SHADES - Transform your smile in just 7 days!
COMPATIBLE WITH ALIGNERS - Perfect for your Invisalign journey.
TRUSTED BY PROFESSIONALS - Recommended by 25,000+ dental experts.

The Opalescence 35% PF Teeth Whitening Refill Kit includes four 1.2 ml syringes of professional-grade carbamide peroxide gel, designed for at-home use. This award-winning formula can whiten teeth up to 10 shades in just a week, is compatible with various dental trays, and is gluten-free and kosher. Made in the USA by Ultradent, it’s trusted by over 25,000 dental professionals.

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