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C Antioxidant Gel 20%

C Antioxidant Gel 20%

$118.00 USD
$118.00 USD
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Description

Fast-absorbing vitamin C serum protects from sun and pollution while enhancing firmness and brightness for all skin types.

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  • Cleanse
  • Step 2: Prep
  • Moisturize
  • Eye care
  • Protect

Apply to face, neck, and décolleté twice daily.

Signs of aging, skin discoloration and protection against sun-related skin damage.

AM | PM • All Skin Types

  • Water-free formulation ensures product stability, efficacy, and shelf-life
  • Provides antioxidant defense against skin damage associated with free radicals
  • Helps brighten tone and reduce the occurrence of skin discoloration caused by sun exposure
  • Lightweight texture absorbs quickly and layers well with other products
  • Formulated with lipid-soluble vitamin C for rapid, deeper absorption

Cyclopentasiloxane, Isododecane, Polysilicone-23, Tetrahexyldecyl Ascorbate, Tocopherol Acetate.
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FAQs: Vitamin C Serum from The A Method

Protect, brighten, and nourish your skin with The A Method’s C Antioxidant Gel 20%.

Formulated with a 20% concentration of THD-ascorbate—a fat-soluble, highly stable form of vitamin C—this lightweight antioxidant vitamin C gel helps defend against sun damage, minimize dark spots, and visibly improve firmness and tone.

Gentle, fast-absorbing, and fragrance-free, it’s ideal for all skin types, including sensitive and oily skin.

C Antioxidant Gel 20% is a daily topical vitamin C serum designed to protect against free radical damage, support collagen health, and brighten uneven skin tone.

With consistent use, it can help minimize visible signs of aging by reducing the appearance of fine lines, age spots, and sun-related discoloration.

Apply a thin layer to freshly cleansed, dry skin on your face, neck, and décolleté, once in the morning and once at night.

Allow the serum to absorb fully before layering other skin care products like moisturizer or sunscreen. A mild tingling sensation may occur at first, which is normal when introducing a high-concentration vitamin C product.

Yes. This potent antioxidant gel is dermatologist-tested, non-comedogenic, and suitable for all skin types—including oily skin, dry skin, combination skin, and sensitive skin. Its water-free, oil-soluble formulation ensures deeper absorption without clogging pores or causing breakouts.

Some formulations include ingredients like ferulic acid to stabilize vitamin C. However, the C Antioxidant Gel 20% focuses on a clean, potent blend of vitamin C, vitamin E, and lightweight carriers to deliver effective antioxidant protection without unnecessary additives.

The key ingredients include:

  • Tetrahexyldecyl ascorbate (THD-ascorbate): A lipid-soluble, highly stable form of vitamin C that absorbs easily into the skin to brighten and protect.
  • Tocopherol acetate (vitamin E): A powerful antioxidant that supports skin barrier strength and boosts vitamin C’s effectiveness.
  • Cyclopentasiloxane and isododecane: Lightweight ingredients that create a silky finish and aid rapid absorption.

Together, these ingredients deliver antioxidant properties that help support overall skin health and maintain an even skin tone.

Yes. This formula is fragrance-free, paraben-free, cruelty-free, gluten-free, and vegan.

Formulated to respect even the most sensitive skin, this product delivers visible antioxidant benefits without unnecessary additives or irritants that could contribute to redness.

Yes. It layers easily under moisturizers, sunscreens, and makeup.

When using other active ingredients like salicylic acid, ascorbyl glucoside, or all-trans retinol, introduce them gradually to avoid overloading the skin. Pairing it with a broad-spectrum SPF during the day is especially important for maximum protection.

Yes. This vitamin C gel is both vegan and gluten-free, making it a great option for health professionals and consumers seeking thoughtful skin care choices.

When used twice daily as recommended, one bottle typically lasts about 6 to 8 weeks. Because the formula contains high levels of active ingredients, only a small amount is needed per application to experience the full antioxidant benefits.

Yes. Morning and night application is recommended for maximum antioxidant protection and visible improvements in tone, brightness, and firmness over time. Daily use also helps guard against environmental stressors like air pollution and UV exposure.

This formula uses Tetrahexyldecyl Ascorbate (THD-ascorbate), a highly stable, fat-soluble form of vitamin C that offers deeper penetration than traditional L-Ascorbic Acid or forms like sodium ascorbyl phosphate. Unlike some water-based vitamin C products, this gel remains potent longer, helping ensure maximum efficacy without quick oxidation.

Yes. Vitamin C as a skincare ingredient is clinically shown to help brighten and fade the appearance of dark spots and age spots caused by sun exposure and aging. By interfering with melanin production, the antioxidant vitamin C in this serum helps promote a clearer, more even complexion.

Vitamin C is one of the most powerful antioxidants for skin, helping to neutralize free radicals caused by UV rays, air pollution, and daily environmental exposure. It also supports natural collagen synthesis, which can improve skin elasticity, reduce fine lines, and create a smoother, firmer appearance over time.

Yes. Applying a topical vitamin C serum like C Antioxidant Gel 20% daily is one of the best ways to support skin health, maintain an even skin tone, and protect against sun-related damage. Consistent use can also complement dietary vitamin C intake from foods like citrus fruits and leafy greens, further supporting overall wellness.

Note: Topical vitamin C complements your overall skincare routine, but it works on the surface of the skin. It does not replace the benefits of dietary supplements or a healthy diet rich in vitamin C.

No. A true vitamin C deficiency—which can cause skin problems like dryness, rough patches, easy bruising, and poor wound healing—must be addressed internally through oral vitamin C supplements or a vitamin-rich diet.

While a topical vitamin C serum helps protect and nourish the skin’s surface, it cannot correct systemic deficiencies in the body. If you are concerned about symptoms of vitamin C deficiency, it’s important to talk to your doctor. They can recommend the right approach based on your overall health needs.

Still have questions? Email our support team at info@theamethod.com or fill out this contact form. We typically reply within 24–48 hours.

Customer Reviews

Based on 10 reviews
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87.5
G
Gina Craig
Game changer

This is my main skincare product in the AM.---I use it every morning after I wash my face and it leaves my skin feeling smooth and great--no need for any additional moisturizer, just my sunscreen! It has been great for discoloration as well and I cannot live without it.

a
amf
C Antioxidant Gel 20%

This gel is the perfect base coat for dry skin. I apply before my daily moisturizer and my skin feels nourished for the day!

J
Jennifer Romm
Glowing Skin

I use this every morning, top it off with a little sunscreen, and I am good to go for the day. Smooth glowing skin.

D
Diann Schultz
Vitamin C Serum for sun damage

I love the feel of the Vitamin C Serum on my skin. I use it on my nose and down onto my cheeks where I have had a lot of sun exposure. I think my skin looks heathier after using the Vitamin C Serum.

A
Anna Wolska
The best antioxidant!

This is truly the best vit. C serum. You cannot compare it to anything else! It is very efficient and makes my skin soft and radiant.

Thank you for your kind words! We're thrilled to hear that our C Antioxidant Gel 20% is the best vitamin C serum you've tried. We take pride in our products and we're glad it's making a positive difference for your skin.

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What Our Clients Are Saying About Us
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The A Method®
50 Google Reviews
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Crystal Chapman
July 1, 2024
I love everything about the A Method products, especially the fact that they are clean and cruelty free. After using the skin perfecting serum, pearls of retinol and the gold and snail growth factor serum for over a month I see a difference in my face. My skin is smoother, brighter and looks healthier over all. I really appreciate that the products aren’t heavily scented, that they feel soothing when applied to the skin and that they absorb well. The vitamin c moisturizer is super light weight yet effective. I highly recommend A Method products!
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Deepak Khanna
April 25, 2024
Amazing products. Within 2 weeks I see big change in my face. It is glowing, pores are smaller, no more fine lines. So happy to get introduced with this product Method. Thanks Angelia.
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Jessica Lauren
April 19, 2024
My absolute favorite products for delivering results. I’m hooked !
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Keara Sauber
February 20, 2024
I have been following the layering guide combination for several months now, and I have noticed a remarkable improvement in my skin. It now glows with an even color, reduced pigmentation, and fewer fine lines. This skincare line has definitely become my new favorite! This is a must try as the are also a women owned company and “clean” line! 🫶
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Marilyn Monrovia
February 10, 2024
Wow! Really love this product. First time trying dermabrasion…what a feeling. This after care is perfectly designed to complement healing.
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T C
May 24, 2022
Love this product, very light and my skin looks great! Would highly recommend!
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Bill Montgomery
January 21, 2022
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Sandra Leiva
November 11, 2021
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Janice Carter Levitch Humphrey
September 5, 2021
I highly recommend the A Method skin care! The products are amazing and my skin looks fabulous! I’ve been using the products for over a year now and the results are incredible! Check out the C Antioxidant Gel; Amazing Peel Kit; 24K + Snail Growth Factor Serum, Neck Firming Cream, Cleanse Silky Vitamin C, Brighten Eyes… everything is first class! Thank you A Method! Janice PS Another amazing product is the 24K Gold Eyelash & Eyebrow Growth Accelerator Serum. My eyelashes and brows have never looked better thanks to this product. I use it morning and night!
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thom
August 26, 2021
The A Method Vitamin C Antioxidant Gel 20% is a terrific anti-aging product! Vitamin C in high concentrations scavenges for free radicals (from sun damage), reduces pigmentation concerns, and boosts collagen production.

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