BRIGHTEN COMPLEX™ – Triple-C Defense Serum

(85 customer reviews)

$89.00

A lightweight, antioxidant-rich vitamin C serum that targets dullness, uneven tone, and visible discoloration. Fast-absorbing, it smooths texture and supports the skin barrier for a clearer, brighter look.

21566 in stock

Description

A lightweight, antioxidant-rich vitamin C serum that targets dullness, uneven tone, and visible discoloration. Fast-absorbing, it smooths texture and supports the skin barrier for a clearer, brighter look.

85 reviews for BRIGHTEN COMPLEX™ – Triple-C Defense Serum

  1. Chantal Cunningham

    I refuse to use any other cleanser, and will never ever go back to using regular soap. My skin feels clean, and the mint is so refreshing!!! The only problem is now my husband uses it and doesn’t understand the concept less is more! We’e agreed to have separate bottles and see who runs out first. LOVE THIS WASH!

  2. Julie H

    The best vitamin C to add in to your routine! I apply day and night and don’t go without it! It leaves my skin feeling so nourished and radiant!

  3. Megan Burkart

    This is a skin changer! Can’t and won’t go without Brighten! So many benefits in this product! It’s amazing! Gentle but effective! I like that it lightly moisturizes without being too much! Smells so good! This stuff is so smooth and silky your skin will love it!

  4. Janet Pender

    This has absolutely transformed my skin. Nothing has changed my complexion like this product?! I’m obsessed. I’ve been using Vitamin C products for ages and this blows those out of the water. Just remember to use sunscreen religiously but that’s the same with any Vitamin C serum 🙂

  5. Amy Hohensinn

    This is my all time favourite Vitamin C serum! It smells delightful, it hydrates, and it helps to even out my skin tone and brighten up my complexion. I’m addicted, I can never go back! So easy to incorporate into my skincare routine too.

  6. Brianna

    I love this product. It’s light and smells so good!

  7. Kayla

    This little bottle has drastically improved my complexion! And bonus – it smells devine. I can’t leave the house in the morning without using this liquid white gold.

  8. Trina Sidoruk

    Absolutely love Brighten, it is a must in my everyday routine! It’s nice and light, smells good, and leaves my skin feeling soft!

  9. Lindsey McIver

    Love this product! It is light to apply and effective! I have noticed my skin brighten after about a month of consistent use- even skin tone, brighter complexion. Highly recommend!

  10. Kendra Meropoulis

    Love Brighten! Literally brightens up the day – my face has more tone and colour immediately after I use this each morning has a nice scent too and doesn’t sting

  11. Amanda Habinski

    I love Brighten!! I can’t live without this product.

  12. Jennifer McMillan

    This was my reorder of this product. SO good. Such a great brightening addition to my skincare routine. Won’t be without this.

  13. Jenny Tash

    This has been the best Vitamin C product I’ve used!! It’s unlike any other serums out there. I have very acne prone sensitive skin and this in combination with Quench has been a game changer for my skin. I just ran out of my Brighten and regret not ordering sooner. Fantastic product!!!

  14. Alissa McGaughey

    Love this stuff! It’s so light and smells great. My skin has never looked better.

  15. Amy Hohensinn

    I LOVE and swear by Brighten! I can’t live without it!

  16. Holly Bair

    I’ve been on the hunt for a really good vitamin c serum and I’ve FINALLY found it!!! It smells so yummy, and I’ve noticed a huge difference in the appearance of my skin after just a month of using it. My dark spots keep getting lighter and lighter, and my complexion is so glowy. I can’t recommend this serum enough! Holy grail for me!

  17. Sue Conner

    This is by far the best Vit C I’ve tried, and I’ve tired a lot. It’s actually very reasonably priced, also. I enjoy the hydrating benefits this product has and there is no stinging or color change.

  18. Sarah Harbin

    Brighten is my Atmosphera long time favourite, anytime of the day, anytime of the year, anywhere in the world that i vacation to, it’s still my favourite!

  19. Shelley Mcdonald

    I love how lightweight this serum is! It gives my skin an immediate glow and it layers so well with Boost. I have been using this since it came out (I see Katelyn for facials) and I plan to continue using it every morning as part of my daytime routine.

  20. Rania Faith

    I’m skin of color. So for me most Vitamin C’s are too strong and cause irritation. Love, love this Vit C. I use this everyday after washing and before moisturizer. So far this is the best I have found. It has many great ingredients like peptides, ceramides, and antioxidants which I’m always looking to have in all my products. With this product I don’t have to layer many products. It didn’t clog my pores at all. I’m excited to be able to buy two at a time and save since i usually buy two anyway.

  21. Holly Eady

    I bought this on a whim because I ran out of my La Prairie serum and was placing an order for my face wash. After a few weeks of using this, I actually noticed my skin was more even. I can’t believe this worked better than the $330 serum I was using. Can’t recommend this enough.

  22. Shanelle Johnson

    I just used this serum for the first time last week (I bought the travel size to test it out first) and I am blown away. It is a wonderful product. It goes on smoothly and mixes well with my moisturizer. My face is glowing and feels moisturized. I will definitely buy again!

  23. Courtney M

    Lets talk about Brighten! I don’t know what I did with out this wonderful product! This in combo with Refresh first thing in the morning is like The wake up from the wash and then like a fresh squeezed glass of orange juice for your skin and your ready for the day! My skin is so much brighter and glowing since I started using this its Amazing! And can we mention the absolute best packaging?! Love this little bottle so much!!

  24. Tanis

    Brighten is one of my favourite products (though who am I kidding, I love them all). I use it daily and my skin has never felt or looked better!

  25. Bayley

    Love, love, love Brighten!! So moisturizing and my dark spots are so much better- the best scent to wake up to in the morning!

  26. Emily Payne

    Love love love Brighten!!! It is just SOOO refreshing and moisturizing… feels light and cool going on.

  27. Steph

    I love the pump on this bottle way better than other C’s. The product is super easy to dispense and absorbs into the skin nicely. It does not leave a tacky film over the skin and pairs nicely with moisturizers and makeup. I am obsessed with this product. Very happy with my results.

  28. Chelsea

    This Vitamin C is amazing, I saw results within a week. My skin looks brighter and people have noticed my face looks more glowy. I use it morning and night and sometimes combine it with another moisturiser. If I am away for the weekend this is the one product I bring (with Refresh of course). I love this product!

  29. Dee Wills

    I am obsessed! When I apply this Vitamin C serum, it almost immediately gets absorbed in to my skin. When I wake up the next morning, my skin has this radiant glow. I look like I applied highlighter in all the right areas. I have oily skin, so just to clarify, it is way different than the unsightly glow you get from oily skin. This serum is non greasy, very lightweight, and will leave your skin soft and supple. In the PM, this is my last step. I don’t feel like I need a moisturizer, but when I do I add in the Boost afterwards. In my opinion, this is the best Vitamin C serum on the market. Trust me, I have tried several!

  30. Nicole

    Since I started using brighten, I haven’t gone a day without it! It feels so nice going on my skin, has a moisturizing effect and has helped to even out my skin tone and make me feel more confident without makeup.

  31. Heather

    Would definitely recommend. Started using and noticed visible change in my skin complexion within first few days. My skin turned out better and beautiful.

  32. Niiki L

    I have been using this product for about 4 months and so far it has made my skin’s appearance so much better. It looks more clear and healthy. I especially love the way the product feels after applying. I look forward to continue using this!

  33. Melissa

    I have fallen in love with this product! Gives my skin hydration and life! I thought it might leave my skin feeling sticky… but nope! I use morning an night and have noticed a major change in the quality of my skin and complexion! Highly recommended in your skincare routine!

  34. Kerri Anne

    I love everything about this. It really helps to brighten up my skin. It has a nice subtle scent. It did not irritate my skin. It left it glowing. I would definitely recommend purchasing this vitamin C serum. My skin has never looked better. I use a little tiny dollop every morning. Very lovely product.

  35. Amanda

    I love Brighten! It makes my skin feel amazing and smells pretty great too. I use it everyday and will never stop. Thanks for creating such amazing skin care products!!!

  36. Kelly P

    I love this product. It is light fresh and feels so good on my face. If you were looking for a moisturizer for your face this is your product.

  37. Kelly

    I use Brighten as my day time moisturizer in the summer, and as first layer during the winter months. I have found that since using Brighten (and other MK products), I very rarely wear makeup anymore! It smells and feels amazing – and my skin just glows!

  38. Melissa

    I have been using Brighten for a while now and it has made a huge difference in the appearance of my skin. I especially like that it doesn’t sting my face like some other Vitamin C lotions I have tried. I always make sure I have a backup one on hand. I never want to run out.

  39. Michele Martel

    Gives my skin hydration and life! I use morning an night and have noticed a major change in the quality of my skin and complexion! Highly recommended in for your skincare routine!

  40. Kait J.

    Love brighten, one of my favourite products.

  41. Margo

    My absolute favourite product – which is hard to pick just one. But this is the one product I refuse to be without. Makes my skin feel so soft, smells amazing, and gives me a glow! Love!

  42. Sandra Klein

    I recommend this to everyone! It feels so soft and makes my skin look so ‘glowy’. I never skip a day!

  43. Chelse

    Brighten is one of my favourite products, I use it daily and my skin has never felt or looked better

  44. Marie Paula McDonald

    Makes my skin feel amazing and love the smell so refreshing

  45. Lisa Zarowny

    I love this lotion! Have been using it ongoing since 2020!

  46. Stacey Stahl

    Brighten goes on smooth and absorbs beautifully!

  47. Rachel McMaster

    Excellent product! Loving the mint refresh!

  48. Nahani Schermers

    Love love love brighten. Makes my skin even and soft. I use it 2x a day because I love how it feels.

  49. Ashley Walton

    I am loving Brighten! It absorbs so nicely into the skin and gives you a beautiful glow.

  50. Heather Simpson

    Love Brighten, not only does it smell amazing but works & is gentle on my sensitive skin.

  51. Megan Cox

    I love Brighten. I use it every morning! It feels so good going on my face and makes my skin feel super soft and helps keep it moisturized. If you haven’t tried it – you are missing out!

  52. Trish Weber

    Great for all skin types, smells amazing. My new favorite in my morning routine.

  53. Bailey Brook

    I use this product every morning and it makes my skin feel so soft! Love it!

  54. Sydney Redpath

    Brighten is light weight, and makes my skin silky and so much brighter!! (Go figure!) My overall complexion has improved so much since using brighten, it always ends up in my cart when I restock!

  55. Ashlynn Krochmal

    Light consistency and amazing citrus smell absorbs immediately in skin within seconds so the Vitamin C can get right to work. The first product I apply in the morning, it leaves my face feeling fresh, hydrated and dewy – a real treat in this arid climate!

  56. Carol Kneteman

    I love this product. It feels light & fresh on my face . Thank you

  57. Keri Zwicker

    Love the way my skin feels once I put this on not to mention the smell is delicious!!

  58. Kayla Chafe

    This product smells amazing! I noticed a difference almost instantly. Definitely a staple in my routine and will never go without Brighten. The travel size is perfect as well.

  59. Kelly Dubé

    A must have in my regular routine. The best Vitamin C product out there.

  60. Heidi Inman

    This is a lovely product, my skin feels and looks better and brighter. It has a very subtle but wonderful scent. Thank you for this product!

  61. Marci Mullen

    My absolute favourite! Makes my skin dewy and bright!!!! Love love love!!!!!!

  62. Chrissy Lawler

    I am obsessed with the way this smells and feels! My skin absolutely GLOWS!

  63. Tatiana Ayedinov

    This product will not only Brighten you face but also your world! 10/10

  64. Meagan Stanley

    I love brighten! Goes on your skin so smooth- leaves me feeling so refreshed! I use it every morning and night

  65. Jenny Turner

    Absorbs so nicely into my skin and leaves it feeling refreshed and hydrated

  66. Megan Shannahan

    My favourite! Lightweight and smells amazing!

  67. Kelly Paproski

    Nice and light non greasy

  68. Crystal Neufeld

    I love Brighten! It smells good and my skin feels happy!

  69. Christine Beveridge

    Since starting to use this product line my face no longer is dry and dull looking. My complexion has improved immensely.

  70. Jessica Howard

    This is by far one of my favourite skincare products, I’ve tried other vitamin C products and nothing has worked quite as well as this. Just wish the bottle was bigger because I go through it so quickly!

  71. Kaitlyn Tuininga

    My skin loves this stuff!

  72. Tabetha Fajardo

    Absolutely love this product! It has made my skin so soft and smooth!

  73. Karen Ault

    This is lovely on my skin. The packaging is sleek and my skin feels refreshed!

  74. Nicole Craddock

    Absolutely love the new products!!

  75. Isabelle Mc

    I’ve been using Brighten for over 3 years now. Love everything about it. I miss it if I run out!

  76. Aubrie Acorn

    Brighten is one of my faves! I notice a significant difference in my skin when I use this product.

  77. Arianna Antrobus

    Instant bightens and smooths my skin . Beautiful fresh scent.

  78. Jennifer Mills

    I skipped out using brighten for a couple months. Never again!!! It really makes a difference in my tone and just love how it feels.

  79. Sara Macleod

    Find me another Vitamin C as amazing. I’ll wait…

  80. J B

    This is my absolute favorite vit C serum I’ve found. Lives up to its name and truly brightens and smooths out my complexion. Tried several over the years, and sticking with this one forever!

  81. Janaih Parsons

    My favourite vitamins c serum ever! I have re-ordered many times now & will continue to use. The smell is just as good as the quality of the product!

  82. Kristen McDermott

    I love this vitamin C. The scent is great, the feel of it on my skin is also so light and refreshing. One of my favorite products I have used.

  83. Robin Smith

    Skin feels great after applying

  84. Kayla Chafe

    Brighten is a game changer for evening out skin texture and complexion. Highly recommend this product!

  85. Deanna

    Love how my face is so much smoother and healthy looking!

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