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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 $66.7525% savings
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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 229 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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    229 reviews
    • Kelly F. C.
      Verified Buyer
      I recommend this product
      Age 55-64
      Your skin type: Normal
      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
      11/24/25
      The Best Vitamin C

      Clean and cost effective! So glad you are Back!

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    • Lisa M.
      Verified Buyer
      I recommend this product
      Age 55-64
      Your skin type: Normal
      Your skin concerns: Dullness, Uneven Skin Tone
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/24/25
      Vitamin C Serum

      Amazing product that yields amazing skin results.

      Was this helpful?
    • Susan V. K.
      Verified Buyer
      I recommend this product
      Age 65+
      Your skin type: Sensitive
      Your skin concerns: Redness
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/24/25
      Refreshes my skin

      I like to put the serum on after cleaning, then the Soft Cream in the morning. My skin texture evens out when using it, and my pores are diminished. I like how the COUNTER products all work together. I am a long time fan.

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    • Michelle
      I recommend this product
      Rated 5 out of 5 stars
      11/24/25
      5 Stars

      My favorite beauty product ever. This gives me a sun kissed glow in the middle of a midwest winter.

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    • Eliza R.
      Verified Buyer
      I recommend this product
      Age 45-54
      Your skin type: Combination
      Your skin concerns: Fine Lines & Wrinkles
      How long have you used the product? Over a month
      Rated 5 out of 5 stars
      11/24/25
      Love this!

      This is the best C serum out there - not irritating and highly effective. Love the smell!

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