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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.

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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 220 reviews
    Reviews Summary
    Customers say this vitamin C serum creates a noticeable glow and brightens skin tone. Many reviews mention its smooth, silky texture and pleasant fragrance. Users report it helps fade dark spots and improves overall skin appearance, with some seeing results within days or weeks. The serum absorbs well without feeling greasy or sticky. Many customers describe it as their favorite product and express loyalty, having used it for years. Common feedback includes improved hydration and skin texture. While most praise the formula, one customer noted adjusting to its different consistency compared to oilier serums.
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    220 reviews
    • Kathleen S.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Dry, Sensitive
      Your skin concerns: Dryness, Dullness, Fine Lines & Wrinkles, Redness
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/22/25
      All bright vitamin c setum

      Excellent!!!

      Was this helpful?
    • Eva K. M.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Normal
      Your skin concerns: Uneven Skin Tone, Fine Lines & Wrinkles
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/19/25
      Best ever Vitamin C serum

      It’s the best I have ever used

      Was this helpful?
    • Sandra D.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Normal
      Your skin concerns: Fine Lines & Wrinkles
      Rated 5 out of 5 stars
      11/16/25
      All Bright Vitamin C Serum

      I love he Vitamin C serum. I have been using it for about 10 years now!

      Was this helpful?
    • Aggie B.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Normal
      Your skin concerns: Fine Lines & Wrinkles
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/16/25
      Love this serum!!

      I have been using this serum for years! It has made my skin look and feel younger than my age of almost 70! Can’t live without it!

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    • Paula P.
      Verified Buyer
      I recommend this product
      Age 55-64
      Your skin type: Combination
      Your skin concerns: Fine Lines & Wrinkles, Dullness
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/15/25
      Love this

      Love this serum, it makes me calling glow. Happy it’s back.

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    WHAT'S IN AND WHAT'S NOT

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