KAKUJ Teeth Whitening Strips, 14 Treatments

Treatments: KAKUJ Teeth Whitening Strips are a 14-treatment at-home kit with 28 strips for upper and lower teeth. The listing describes hydrogen peroxide whitening, dry strips intended to stay in place, and 30-minute daily applications. Results may vary, and the listing does not state the peroxide concentration.

At a glance

The kit contains 14 upper strips and 14 lower strips, described as 14 complete treatments.
The listing says hydrogen peroxide is used to address the appearance of stains from coffee, tea, wine, soda, and smoking.
Flexible dry strips are designed to adhere to upper and lower teeth during a 30-minute treatment.
Glycerol is described as supporting a smoother application feel, while xylitol is included for a fresher-feeling experience.

Price

$9.99Save 33%

Reference price: ~~$14.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

A paired upper-and-lower strip set provides a defined 14-day treatment count.
The 30-minute application routine is clearly stated, and the listing advises avoiding food and drink for one hour afterward.
Customer feedback reports easy application, good strip adhesion, and brighter-looking teeth.

Technical specifications

7 specifications

Identity
Brand	KAKUJ

Use and formula
Treatments	14 Treatments
Strip count	28 Strips
Active whitening ingredient	hydrogen peroxide
Treatment duration	30-minute treatment
Suggested use	Use one treatment daily as directed

Dimensions and installation
Dimensions listed	2.6 x 0.67 x 4.6 inches; 1.45 ounces

What to know before buying

The listing describes the formula as enamel-safe and comfortable but gives no hydrogen peroxide concentration. Whitening results are stated to vary with stain type, tooth condition, and routine. Avoid eating or drinking for one hour after applying a treatment.

Who is it for?

A good fit for

Shoppers looking for a daily, 30-minute at-home strip routine for the appearance of everyday stains.
People who want a kit with matching upper and lower strips for 14 treatments.

Less suited to

Shoppers who need a stated hydrogen peroxide percentage or a guaranteed whitening result.
Anyone seeking a treatment that does not require a 30-minute application or a one-hour wait before eating or drinking.

KAKUJ Teeth Whitening Strips, 14 Treatments · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 79 ratings

5 stars80%80%
4 stars12%12%
3 stars0%0%
2 stars5%5%
1 star3%3%

Customer feedback describes brighter-looking teeth, easy application, strips that stay in place, and convenience, with reports of no sensitivity and appreciation for a self-dissolving feature. These experiences may matter to buyers seeking a straightforward strip routine, but they are perceptions rather than a promised result. The listing describes dry strips and a 30-minute treatment, while whitening outcomes can vary. Aggregate ratings are largely in the five- and four-star categories, though a smaller share are in the lower categories.