Best Teeth Whitening Kits of 2025

"I've had straight teeth for as long as I can remember, but after turning 30, things changed. I found this miracle whitening product, and after just one use, I saw a shade of white I haven't seen in ages! It can be a bit messy since you drool while using it, but I highly recommend it for keeping my teeth looking great!"

"I never leave reviews, but this product was a pleasant surprise. I saw a difference after just three uses! The mouthpiece felt odd at first, but it was manageable. I wish I had taken before photos to compare, and I will definitely keep using it and reorder the gel when I need more."

"This product is truly impressive! I've tried many whitening solutions, but with this one, I saw results right after my first treatment. I drink a lot of coffee, and the LED Accelerator lights seem to make a big difference without any gum irritation. I’m now on a subscription for refills because I’m really pleased with the results!"

"After watching 50 reviews and 10 YouTube videos, I finally decided to purchase this product, and it’s worth every penny. I noticed a difference in just two days! My smile kit, along with an ultrasonic scaler, has really done the job for me. Hope this helps!"

"I was nervous trying new teeth whitening products, but this one is amazing! I’ve already recommended it to my mom and family. My teeth look white and shiny all the time, and I love that I don’t have to wait 30 minutes like with other brands!"

"I used this product before my wedding and was thrilled! It whitened my teeth very quickly, and I achieved the exact color I wanted after just 4-5 uses. My only minor complaint is that it makes my teeth sensitive afterwards, but overall, I would definitely recommend it in small doses!"

"I was recommended this product by my dental hygienist. I'm on day 5 and already see a difference. I love that it comes in trays, making application so easy. I can brush my teeth right after using the trays, which is a huge plus because I dislike the residue from other whitening products. No zinging feeling either!"

"I had zoom whitening done a couple of years ago, and it was uncomfortable. After that, my teeth discolored again quickly due to my coffee and wine habits. This product impressed me! I initially used it every two days for three times, and now I just use it weekly. My teeth have never looked better."

"I've been using this product for my teens, and I can definitely see the results. It's a great product! I initially purchased it at the dentist for triple the price, but it works even better than those expensive trays. I hope Amazon keeps it in stock!"

"I've struggled with tooth sensitivity from other brands, but with Crest 3D Whitestrips Sensitive, I felt little to no sensitivity. I noticed a difference after just a few uses, making this my go-to treatment!"

"I've been using these whitening strips for years. They really make a difference, and I can tell when it’s time to use them again. I only use them once a year to protect my enamel, but I definitely recommend them!"

"At first, I found the strips a bit small and uncomfortable, but after using them, I noticed a clear improvement in my teeth's shade. I took before and after photos, and I was impressed with the results!"

"I was surprised how comfortable these strips are. After the first few minutes, I barely noticed them during the hour of use. The light only stays in for about 5 minutes, and there was no pain or discomfort from the chemicals. After a week, my teeth were slightly whiter, and they continued to improve. While it doesn't match the results from a dentist, it's a great cheaper alternative for home use."

"After using these strips, I wish I had taken a before photo because my teeth are noticeably whiter! I followed the directions and experienced no sensitivity. I had tried a $450 professional treatment before, but these strips worked better for me and the whitening has lasted for three months. I'm now a total convert and plan to use these at least twice a year for maintenance!"

"I was initially skeptical because a friend said these strips didn’t work for him. However, after seeing many positive reviews, I decided to try them. Now, having used my second pack, I've noticed a significant improvement in my teeth. The adhesive is incredibly strong, and I recommend following the instructions closely for the best results. I'm planning to do this annually for maintenance!"

"I was initially skeptical about teeth whitening products, but this one has proven effective. My friend saw results, so I decided to try it. It's comfortable and practical. While it doesn't provide immediate whitening, I believe with consistent use, I will see results."

"From the very first application, I noticed my teeth were brighter. It was easy to use, and I experienced no sensitivity. I’m thrilled with the results and think this is a great option for those wanting to whiten their teeth without a dentist!"

"I love this product! It whitened my teeth about one shade per application and is gentle on my teeth. My only minor issue is that it's not wireless, but I was aware of this before ordering. Overall, I'd definitely recommend it!"

"As an ex-dental assistant, I’m impressed with these strips. I’m only halfway through the 10-day course, and I can already see great results. The curing light definitely enhances the whitening!"

"I’m really impressed with this whitening kit! The strips are easy to apply and stay in place, and I saw noticeable brightness in just a few uses. It feels like a professional treatment at home!"

"I've been using Crest whitening strips for years. Twice a year, and they help keep my teeth white all year round. They always work so well for me!"

"I’ve always wanted to try this kit, and I’m so glad I did! The kit comes with plenty of products and is super easy to use. I can really tell it has made a difference, and I’m excited to keep using it!"

"I love this product! Unlike most teeth whitening kits, this one doesn’t have a disgusting taste. I really appreciate that it’s timed to turn off when the time is done. I’d 100% recommend it!"

"I’ve only used this twice, but I have super sensitive teeth, and I was really worried about pain. To my surprise, there was NO PAIN AT ALL! I think it has lightened my teeth a bit, but it’s too early to tell. I’ll update my review after more uses!"

"I was recommended this product by my dental hygienist, and I will never use another brand. It's just so great!"

"After losing my trays, I started using this product again. I have always loved this brand for bleach because it works unlike Crest White Strips!"

"When my dentist gave me a sample, I realized I prefer this product over strips or pens. There’s no mess, and I can see the difference in whiteness. I also bought the toothpaste this time!"

"I absolutely love this product! It’s an easy and affordable way to whiten my teeth at home instead of spending a fortune at the dentist. After using it multiple times a week initially, I noticed visible changes. Now, I use it on my self-care days, and I can always tell a difference in my teeth color. Plus, I haven’t experienced any sensitivity!"

"As a smoker, I sought something to help whiten my teeth. After using this for seven consecutive days, I was hoping for results, but unfortunately, I didn't see a noticeable difference."

"I'm in my 50s and hadn’t whitened my teeth in 20 years due to coffee and wine staining. I chose this product, and I’m thrilled! It was easy to use, molded well to my teeth, and I saw years of stains reduce. Just a tip: be cautious with what you eat or drink after treatment!"