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Close-up of yellow serum with a soft focus background
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

Sérum à la vitamine C

Alimenté par deux formes ultra-stables de vitamine C pour offrir une luminosité instantanée et un éclat renouvelé.

$89
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Benefits
  • Éclairer
  • Ton uniforme
  • Éclat
  • Renouveler

Notre sérum éclaircissant avancé, enrichi en deux formes de vitamine C ultra-stables, offre un éclat immédiat et un teint uniforme. Sa formule contient des extraits de curcuma et de camu-camu antioxydants qui protègent contre les agressions extérieures desséchantes. Révélez une peau fraîche et lumineuse.

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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 173 reviews
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    173 reviews
    • Annamarie J.
      Verified Buyer
      I recommend this product
      Age 35-44
      Your skin type: Combination, Sensitive
      Your skin concerns: Dryness, Redness
      How long have you used the product? Less than a month
      Rated 5 out of 5 stars
      10/7/25
      It’s a favorite

      I was glad that counter brought this back in its relaunch. I love it and it helps with my sensitive skin and reducing the coloring of my pregnancy induced rosacea.

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    • Johnette H.
      Verified Buyer
      I recommend this product
      Age 65+
      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
      10/7/25
      All Bright Vitamin C Serum

      Great moisture product!

      Was this helpful?
    • Sheila H.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Dry, Sensitive
      Your skin concerns: Dullness, Fine Lines & Wrinkles
      How long have you used the product? Less than a month
      Rated 5 out of 5 stars
      10/5/25
      Vitamin C serum

      My skin feels softer and I see a difference

      In my face.

      Was this helpful?
    • Betty D.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Dry
      Your skin concerns: Fine Lines & Wrinkles, Dryness
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      10/4/25
      SWIMMER

      This vitamin C helps my skin after swimming in a chlorinated pool 3-4x /week. My face was so dry before my consultant Katie suggested this for me! Love it!

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    • patti s.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Dry
      Your skin concerns: Dryness, Dullness, Redness, Uneven Skin Tone, Fine Lines & Wrinkles
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      10/3/25
      vit c serum

      excellent product. Love the fragrance.

      Was this helpful?

    WHAT'S IN AND WHAT'S NOT

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