The Platinum Kit - Premium at Home Teeth Whitening
Premium at-home whitening — BLK Light 2.0 + 2 Platinum Pens
Our complete at-home system: the BLK Light 2.0 LED mouthpiece and two Platinum Pens for professional whitening on your schedule.
What's inside
Platinum Kit ingredients: Glycerin, Carbopol, Menthol, Hydrogen Peroxide, Triethanolamine, EDTA.
Getting started
- Charge the LED device fully (~3.5 hrs) using the USB-C cord — it glows while charging.
- Brush your teeth for 2 minutes for a clean surface.
Applying the gel
- Twist the base of a Platinum Pen to load gel into the brush.
- Brush a thin layer of gel onto the front of each tooth — avoid the gums.
Whitening
- Fit the mouthpiece and press the button to power on the BLK Light 2.0.
- Whiten for 25 minutes — the built-in timer powers off automatically.
- Rinse, and avoid food & drink for 30 minutes. Repeat daily for 7–10 days.
Up to 8 shades whiter.
In 14 days.
Our strongest formula yet — 6.9% Hydrogen Peroxide with Dry Strip Technology for better grip and coverage.
Before
After 14 days
Individual results may vary
How it works
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FAQ
Most people notice visible whitening within a few sessions, with optimal results after 7–10 days of consistent daily use.
Yes — our 6.9% hydrogen peroxide gel is dentist-developed and enamel-safe. If you experience sensitivity, use every second day and build up.
30+ treatments per kit. Simply top up with Platinum Pens when you run low — the device and tray are designed to be kept.
Charge via USB-C (~3.5 hours) for around 6 uses. It has a built-in 25-minute timer and powers off automatically.
Whitening only works on natural teeth — it won't change the colour of veneers, crowns or fillings, and won't damage dental work.
Rinse the mouthpiece after each use and store the kit and pens somewhere cool and dark — the fridge is great for keeping the gel at its best.
To qualify:
- Complete the full recommended treatment as directed
- Contact our team during your treatment for guidance
- Submit a claim within 60 days of receiving your order
- Include before & after photos taken in natural daylight (no filters)
Email info@whiteningco.nz with subject "Money-Back Guarantee Claim", your order number, and your photos. Refunds cover the product purchase price only and exclude shipping. One refund per customer per product type.
What our customers say
Verified reviews from the Platinum Kit + Pens
