C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
C - Radical Defense Antioxidant Serum
Alastin

C - Radical Defense Antioxidant Serum

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Dermatology Expertise in Boston: Transform Your Skin with Alastin C - Radical Defense Antioxidant Serum at SkinCare Physicians
$199.00
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  • Free shipping on orders of $300
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BENEFITS

Formulated with a proprietary encapsulated novel form of Vitamin C (Sodium Ascorbate), which helps to defend against free radical damage while supporting the skin's ability to conserve elastin*.

Proven to help reduce the effects of free radicals in the skin by up to 74%*.

Helps brighten skin and reduce the appearance of fine lines, wrinkles, photodamage, and other signs of aging.

Works to help refine skin texture and reduce the appearance of redness and brown spots.

15 proven antioxidants to help neutralize free radicals, protect against UV damage and other environmental stressors such as blue light and pollution.

Known to support the skin’s ability to stimulate collagen production, the main protein that provides support to the skin's structure and helps prevent sagging or wrinkling.

Ideal for most skin types.

Winner of New Beauty 2024 and 2025 "Best Vitamin C Serum" and 2024 Shape Skin Awards "Best Vitamin C Serum

INGREDIENTS

Water/Aqua/Eau, Caprylic/Capric Triglyceride, Glycerin, Sodium Acrylates Copolymer, Squalane, Sodium Ascorbate, Ubiquinone, Ectoin, Physalis Angulata Extract, Betaine, Phosphatidylcholine, Camellia Sinensis Leaf Extract, Carnosine, Centella Asiatica Extract, Olea Europaea (Olive) Leaf Extract, Zingiber Officinale (Ginger) Root Extract, Ergothioneine, Dunaliella Salina Extract, Punica Granatum Fruit Extract, Bisabolol, Lactoferrin, Tremella Fuciformis Sporocarp Extract, Polyglyceryl-10 Laurate, Cetyl Alcohol, Sodium Benzoate, Xanthan Gum, Tocopherol, Helianthus Annuus (Sunflower) Seed Oil, Propanediol, Tocopheryl Acetate, Caprylyl Glycol, Mannitol, Lecithin, Phenoxyethanol, C12-15 Alkyl Benzoate, Ethylhexylglycerin, Caprylhydroxamic Acid, Citric Acid, Potassium Sorbate

DIRECTIONS

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Dermatology Expertise in Boston: Transform Your Skin with Alastin C - Radical Defense Antioxidant Serum at SkinCare Physicians

C - Radical Defense Antioxidant Serum

At SkinCare Physicians in the greater Boston, MA area, board-certified dermatologists leverage decades of clinical expertise to recommend evidence-based skincare solutions, including gold-standard antioxidant formulations like Alastin Skincare C-Radical Defense Antioxidant Serum. Powered by a proprietary form of encapsulated Vitamin C (Sodium Ascorbate) paired with 14 vital antioxidants, this high-potency serum is backed by clinical research to neutralize free radicals, protect against environmental stressors and blue light damage, and conserve collagen pathways to brighten skin and refine texture. Guided by the practice’s world-renowned dermatology expertise, SkinCare Physicians helps patients seamlessly integrate medical-grade formulations into their daily routines to safeguard skin health and achieve long-lasting, vibrant results.

Expert Opinion: C - Radical Defense Antioxidant Serum

"I find that many of my male patients who spend time in the sun really benefit from teh C-Radical Defense from Alaastin" - Michael Kaminer, M.D.

Learn More About Michael Kaminer, M.D.

Rejuvenate and defend your complexion with Alastin Skincare C-Radical Defense Antioxidant Serum. This advanced, medical-grade formula features a proprietary form of encapsulated Vitamin C (Sodium Ascorbate) combined with 14 vital antioxidants. Together, they work synergistically to protect the skin against environmental stressors, free radicals, and blue light damage while helping to conserve the skin's natural collagen pathways. This elegant, non-irritating serum absorbs quickly, making it a powerful cornerstone for any daily morning anti-aging regimen.

Shop Other Physician Recommended Products

Testimonials From Our Patients

★★★★★

The staff at this office was first rate in professionalism, courtesy and knowledge in their field. I highly recommend them for any dermatology issue.

Kimberly K
★★★★★

I have been using the services at SkinCare Physicians for many years and wouldn’t think of going anywhere else for my skin needs. It’s one-stop shopping; medical concerns as well as offering the latest in effective skin creams. Everyone I have encountered there is excellent, but I especially recommend Dr. Jeffrey Dover and Dr. Tania Phillips, both have been exceptional, very knowledgeable, kind, empathetic, and attentive.

Roberta S
★★★★★

Recently seen by Dr. Kane and Dr. LaBadie concerning treatment for skin cancer. Cannot emphasize the high quality of professional care I experienced with these Doctors and I highly recommend them too those seeking the Best Medical Care.

Jim G
★★★★★

I’ve been a patient of Dr. Rohrer since 2013 and have had multiple surgeries. Yesterday I had surgery performed by Dr. Coerdt and Dr. Rohrer. Both physicians were excellent.

JIm M
★★★★★

I’ve been going her since moving to Boston 8 years ago and they are fantastic!

Trey D
★★★★★

SkinCare Physicians sets a high bar for other dermatology practices. Not only are they on the leading edge of research, but also are staffed by outstanding clinicians and administrators. I notice the camaraderie that exists between colleagues and the genuine care they exhibit towards one another and their patients. It is a very special place.

Marillyn H
New Orleans, LA
★★★★★

Dr Sikora and the staff are the best. That is why my wife have been going for over 18 years

Bob H

The Advanced Clinical Spa at SkinCare Physicians

Visit our convenient Chestnut Hill location to experience advanced medspa treatments and customized skincare solutions. At SkinCare Physicians, all of our services are overseen by board-certified dermatologists to ensure exceptional outcomes with quality care.

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Frequently Asked Questions:

Medical-grade skincare refers to high-potency "cosmeceuticals" that bridge the gap between retail products and prescription treatments. Formulated with stabilized, clinical-strength active ingredients, these products are designed to penetrate the dermis to create structural change in the skin.

  • Clinical Potency: Contains higher concentrations of actives (like Vitamin C and Retinol) than over-the-counter brands.
  • Deep Delivery: Engineered with advanced molecular technology to reach deeper layers for long-term repair.
  • Proven Results: Backed by rigorous clinical testing to ensure safety and biological efficacy.

Our clinic curates these medical-grade innovations to provide her patients with a professional-standard regimen that delivers transformative skin health.

A prior appointment is not mandatory. You may shop our dermatologist-vetted collections with complete confidence at your convenience. Our curated selection is designed to meet a variety of clinical needs with ease.

For those seeking a more comprehensive, personalized assessment, we invite you to schedule a private consultation with one of our skin experts. Our licensed skincare specialists are available to perform a detailed skin analysis and craft a bespoke treatment plan and home care routine tailored exclusively to your aesthetic goals.

Yes, we offer a full range of treatments, including laser, injectables, microneedling, etc. Visit our Treatments page to learn more.

Orders are typically processed within 1–2 business days. Delivery times vary by location, but most orders arrive within 3-4 business days. You’ll receive tracking details once your order ships.

Shipping is calculated based on your location and the items in your order. You can receive free shipping on orders over $300.