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Gray skincare serum bottle with 'COUNTER' branding on a white background
Two yellow droplets on a white background
Close-up of a person applying a skincare product with a yellow hue to their face.
Two light grey skincare bottles with a yellow serum on a white background
Woman holding a small light grey bottle of counter product against a white background
Close-up of yellow serum with a soft focus background

All Bright Vitamin C Serum

Powered by two ultra-stable forms of vitamin C to deliver instant luminosity and a renewed glow.

$89
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Benefits
  • Brighten
  • Even Tone
  • Radiance
  • Renew

Our advanced brightening serum, powered by two ultra-stable vitamin C forms, delivers immediate radiance and even tone. This formula features antioxidant-fueled turmeric and camu camu extracts that defend against drying environmental stressors. Reveal skin that is fresh and luminous.

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Clinically Demonstrated to:*
  • Improve skin radiance/brightness
After four weeks:**
  • [ 100% ] said skin looks renewed and less dull
  • [ 100% ] said skin feels smoother and hydrated
  • [ 94% ] said skin tone looks more even
After eight weeks:***
  • [ 100% ] said skin looks brighter
  • [ 100% ] said leaves skin glowing
  • [ 97% ] said skin looks more youthful
  • *Based on a 32-subject clinical study after eight weeks
  • **Based on a 32-subject consumer perception study after four weeks of use
  • ***Based on a 32-subject consumer perception study after eight weeks of use

FORMULATION FACT 01

We formulate our All Bright C Serum with citrus oils Citrus Aurantium Dulcis (Orange) Peel Oil which imparts fragrance while diligently limiting furocoumarins -- natural citrus compounds that can cause skin irritation when exposed to UV light. As always, wear sunscreen as part of a daily healthy skin care regimen.

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FORMULATION FACT 02

We chose naturally-derived phytic acid instead of ethylenediaminetetraacetic acid (EDTA) salts designed to improve stability and enhance preservation of our products. Manufacturing EDTA and its salts involves reacting ethylenediamine, a harmful substance associated with reproductive toxicity. Unfortunately, EDTA and its salts may contain trace amounts of this substance. EDTA and its salts are also persistent and can harm the environment.

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FORMULATION FACT 03

You’ll never see “Parfum/Fragrance” among our ingredients – full ingredient transparency, always.

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    4.9
    Rated 4.9 out of 5 stars
    Based on 207 reviews
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    207 reviews
    • Danielle J.
      Verified Buyer
      I recommend this product
      Age 45-54
      Your skin type: Dry
      Your skin concerns: Dryness, Dullness, Fine Lines & Wrinkles, Uneven Skin Tone
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/5/25
      Love

      This is my favorite serum. It brightens my skin and also helps with dark spots. Of all the serums I have tried this is my absolute favorite.

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    • Paul
      I recommend this product
      Rated 5 out of 5 stars
      11/4/25
      5 Stars

      Amazing product. Can’t live without.

      Was this helpful?
    • Christine S.
      Verified Buyer
      I recommend this product
      Age 55-64
      Your skin type: Dry
      Your skin concerns: Dryness, Fine Lines & Wrinkles
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/4/25
      So happy this is back!

      I haven't found a Vitamin C serum I like as much as this one.

      Was this helpful?
    • Maria P.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Combination
      Your skin concerns: Fine Lines & Wrinkles, Uneven Skin Tone
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/3/25
      Vitamin C

      I have been using this for years and it is part of my skin routine.

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    • Candice P.
      Verified Buyer
      I recommend this product
      Age 45-54
      Your skin type: Dry
      Your skin concerns: Fine Lines & Wrinkles
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/3/25
      My favorite serum

      This serum gives my skin hydration and a glow I never knew it needed. In fact, it's so good, I rarely wear foundation over it.

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