IT Cosmetics Bye Bye Dark Spots Serum - 1 fl oz - Ulta Beauty: Paraben-Free, Noncomedogenic, Dye-Free, Contains Vitamin C
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Guests are saying
This serum has garnered mixed feedback from guests, with many praising its effectiveness in lightening dark spots and improving skin texture. Guests appreciate its lightweight formula and pleasant application, often noting visible results within weeks. However, some guests experienced minimal changes or issues with the dropper design. Overall, it appears to be a valuable addition to skincare routines for those targeting hyperpigmentation and uneven skin tone.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.4 out of 5 stars with 2717 reviews
58% would recommend
12 recommendations
5 out of 5 stars
16 May, 2026
originally posted on itcosmetics.com
Bye bye dark spot
Great product works magic and works great as a base before makeup and has helped with reducing my spots
5 out of 5 stars
16 May, 2026
originally posted on itcosmetics.com
Works for dark areas
I love this stuff. I had a subtly dark spot on my forehead between my eyes. It looked a little dirty or like a shadow. It is now gone and my overall complexion is just brighter.
1 out of 5 stars
29 April, 2026
originally posted on itcosmetics.com
Not worth a crap
No worth a crap Using twice a day and haven’t noticed a dang thing Don’t waste your money
1 reply from ITC CS team - 17 days ago
Hello Not worth it! Thank you for your honest review for our Bye Bye Dark Spots Niacinamide Serum. We are sorry to learn that although you used twice a day you did not notice any results. We apologize that our product did not meet your expectations and you encountered this issue. If you would like to return, please click this link https://tinyurl.com/y2bo3erv for details. Your satisfaction is very important to us. Thanks for your feedback.
4 out of 5 stars
8 February, 2026
originally posted on itcosmetics.com
So far so good…
[This review was collected as part of a promotion.] I’ve been using this product a few times a week for 2 months. So far I like it and I think I’m seeing results.
5 out of 5 stars
3 February, 2026
originally posted on itcosmetics.com
One of the only products that does what it says
[This review was collected as part of a promotion.] I tend to get dark spots and discoloration. I use Bye By Dark Spots for the last couple years and it works. I have tried numerous other brands and nothing comes close to this product. When you apply it does not leave a discolored residue, does not dry out my skin, and definitely works very well. If I skip using, dark spots are definitely more noticeable and hard to cover with makeup. I highly recommend.
5 out of 5 stars
27 January, 2026
originally posted on itcosmetics.com
Lightening
We have been using this Niacinamide on some dark spots on my husband's forehead and are excited to see lightening occurring.
5 out of 5 stars
14 January, 2026
originally posted on itcosmetics.com
Excellent
I was amazed !!! It lightened my dark spots on my face that I’ve had for over thirty years no other product has done this and I have tried many. I highly recommend this product.
5 out of 5 stars
11 December, 2025
originally posted on itcosmetics.com
Bye Bye Dark Spots
[This review was collected as part of a promotion.] My dark spots have definitely faded since using this product.
1 out of 5 stars
9 December, 2025
originally posted on http://www.ulta.com

Poor product
Does NOT work!!
5 out of 5 stars
1 December, 2025
originally posted on itcosmetics.com
Love it
[Employee of itcosmetics] Really makes my dark spots disappear! I buy 5at a time! Have to have it
1 out of 5 stars
25 November, 2025
originally posted on itcosmetics.com
Not for sensitive skin
My skin could not tolerate this serum. Experienced significant burning and redness lasting two days. I have eczema-prone skin and need a more gentle product.
1 reply from ITC CS team - 6 months ago
Hello HotChicken! Thank you for sharing your experience with the Bye Bye Dark Spots Niacinamide Serum. We are very sorry to hear that you experienced significant burning and redness. And that you need a more gentle product for your eczema prone skin. We apologize that you encountered these issues and want to help. We would like to speak with you about this and respectfully request you call our Customer Service at 1-800-356-5120 anytime Monday-Saturday 9:00 A.M.-5:00 P.M. EST. Please provide the agent answering your call with this case number 43855278. We look forward to speaking with you!
5 out of 5 stars
25 October, 2025
originally posted on itcosmetics.com
So glad there’s a dark spot treatment!
I am seeing progress with my dark spots lightening & am excited about that!!
5 out of 5 stars
24 October, 2025
originally posted on itcosmetics.com
Skin feels soft
Makes the skin feel soft. Haven't seen improvement yet, but I am hopeful
5 out of 5 stars
2 October, 2025
originally posted on itcosmetics.com
The Best !
[This review was collected as part of a promotion.] By far....the best brown spot, age spot remover ever. I've tried several. This serum is a must !
2 out of 5 stars
20 September, 2025
originally posted on itcosmetics.com
Not impressed
[This review was collected as part of a promotion.] The product did not help. I used for a month and didn't see a difference.
1 reply from ITC CS team - 8 months ago
Hi LLANIPSA! Thank you for trying our Bye Bye Dark Spots Niacinamide Serum! While we are delighted to hear you found IT easy to use, we are so sorry that you did not see any results. We certainly understand how disappointing IT is when a product does not provide the results you were looking for. We would be happy to assist you with selecting a more suitable product. Please call our Customer Service at 1-800-356-5120 anytime Monday-Saturday 9:00 A.M.-5:00 P.M. EST. and provide the agent answering your call with this case number 42901626. If you prefer to shop instore we invite you to visit any of our authorized retailers and the beauty advisor will be happy to assist you. You can also sample products as well. Please use this link https://tinyurl.com/y3unm86c to locate your nearest authorized retailer. We hope this is helpful and we appreciate your comment!
3 out of 5 stars
7 September, 2025
originally posted on itcosmetics.com
Performance Uncertainty
I honestly can't rate this product as yet for I have not used it long enough (3 weeks) to show any changes in the dark spots I currently have. No where in the product's description does it give any kind of expectation of visible change.
1 reply from ITC CS team - 8 months ago
Hi SusieOTQ! We appreciate you taking the time to leave your comment. We apologize that timeframe for an expectation of visible change is not provided in the product description. We are happy to advise that, based on a consumer self assessment, after 12 weeks 87% say their skin tone looks more even and 81% say their dark spots look minimized. We hope this information is helpful.
5 out of 5 stars
30 August, 2025
originally posted on itcosmetics.com
Dark spot magic
Love this stuff. I couldn’t believe how well it worked.
5 out of 5 stars
21 August, 2025
originally posted on http://www.ulta.com

It's Working!
I never write reviews, but this product deserves my comment. I have a lot of sun spots on my face and this is the only product that has noticeably lightened them. I have tried numerous fading products with no results, but I saw results within two weeks of using this serum. I still have the spots, but they are definitely lighter. A little bit goes along way, so I am hoping I will get even better results given more time. I actually like the dropper because it allows me to use just a little bit at a time. I also think the smell is pleasant.
5 out of 5 stars
14 August, 2025
originally posted on itcosmetics.com
(no review title)
Love it! This has helped even out dark tones/spots.
5 out of 5 stars
19 July, 2025
originally posted on itcosmetics.com
love
[This review was collected as part of a promotion.] i have been using for years now and skin has never been better