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C serum

  • 4.3
Acne Scars
Concentrated, yet gentle formula to brighten dark spots, reduce the appearance of acne scars, and protect the skin from free radical damage.
  • Contains vitamin C boosted with fast-acting properties to rapidly help resolve a myriad of skin issues.
  • Supple skin with renewed "bounce" and diminishes the appearance of fine lines, wrinkles and sagging.
  • C serum (15mL/0.51fl.oz.) x1[Approx.] About 1 month supply when used as directed. Made in Japan
    $44.10 10% OFF
    b.Point 132 pt
    Luminous skin is achieved through a simple routine…
    Restore Your Glow From Within.⁠
    Deliver proven ingredients to deep layers of the skin
    b.glen's Exclusive QuSome Technology.
    Our simple, exclusive blend of high-performing ingredients hasn’t changed since we launched C Serum as our very first product in 2005. We firmly believe in delivering ingredients that are proven to work, and leaving out what doesn’t. Our exclusive QuSome technology contains encapsulated Ascorbic Acid (Vitamin C), with accelerated skin permeability and product efficiency.
    Ingredients Spotlight
    Scientifically-Selected Skin Saviors

    Pure Ascorbic Acid (Vitamin C)
    Firms and brightens skin, while providing protection from environmental aggressors and premature signs of aging.
    Pure Ascorbic Acid (Vitamin C)
    Firms and brightens skin, while providing protection from environmental aggressors and premature signs of aging.
    Pure Vitamin C x Exclusive QuSome Technology
    See brighter, more even skin day by day. C Serum visibly diminishes signs of aging, allowing your youthful, radiant complexion to shine through naturally.

    Most Vitamin C products contain unstable concentrations, which expire quickly, and have difficulty permeating through the dermal layer of skin. QuSome encapsulates the Vitamin C nutrients, allowing deeper delivery, and fast results.

    Real People, Real Voices, Real Results

    • 4.3

    SarahCo-owner, Hair Stylist

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    Kiyomi T.Yoga Instructor

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    Anais Clancy

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    Jodi M.

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    Mai Ingevaldsson

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    Sara Grimm

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    Kana I.Hair Stylist

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    Sara C.

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    Meah C.Pro Surfer

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    Dylan W.

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    TomoOffice Worker

    TKOffice Worker







    How to Use
    a small amount

    Place pea-sized amount of C Serum onto fingertips.

    Gently pat serum onto the skin using caution in delicate areas such as the undereye and around the mouth.

    If using serum during the day, be sure to follow use with SPF.

    *For dry skin and/or sensitive skin, please test and observe condition first in small amounts on skin.
    Frequently Asked Questions
    Using C Serum during the day is completely safe. However, the skin becomes more sensitive to sun exposure, so be sure to follow use with an SPF.
    A slight warming sensation is normal when C Serum is initially applied. Vitamin C naturally has a low PH, and whe it meets with the outer layer of skin, your skin may respond with a mild warming or tingling sensation.
    Both products will effectively brighten your complexion. C Serum encourages faster cell turnover, while QuSome White Essence provides protection from ultraviolet light.