Defend Your Skin From Daily Damage

C‑Radical Defense Serum protects your skin against environmental stressors like pollution and UV exposure. Its clinically proven formula reduces oxidative stress, helps prevent premature aging, and supports a brighter, more even complexion. With consistent use, your skin feels stronger, healthier, and more resilient every single day.

Laziza K
"If you’re dealing with aging skin concerns—or want a must-have for anti-aging—Alastin C-Radical Defense Antioxidant Serum is a game changer. Whether it’s elasticity issues, pollution exposure, pigmentation, redness, wrinkles, texture changes, or acne spots, this serum tackles those concerns daily and can help prevent them if you start using it early in life."
Laziza K
Head Esthetician & Founder

Potent Vitamin C Without the Irritation

Formulated with a powerful yet stable form of vitamin C, this serum delivers visible brightening and firming benefits without stinging or redness. It’s suitable for all skin types—even sensitive—so you can enjoy the glow-boosting and anti-aging effects of vitamin C without the discomfort common with harsher formulations.

Sodium Ascorbate

A gentler, more stable form of Vitamin C which still offers antioxidant and brightening benefits.

Green Tea Extract

Offers antioxidant, anti-inflammatory, and oil-regulating benefits for a wide range of skin types.

Physalis Angulata

An anti-inflammatory that supports the skin’s ability to repair collagen and helps to enhance the combat against free radicals.

Advanced Antioxidant Shield

This serum doesn’t stop at vitamin C. Packed with 14 antioxidants, including green tea and ergothioneine, it neutralizes free radicals, soothes stressed skin, and reinforces your natural defense system. This advanced protection not only helps prevent new signs of aging but also supports healthier, more vibrant skin over time.

Same Day Shipping

We ship all orders every day, so your skincare never has to wait. With fast, daily fulfillment, you’ll get your products quickly—before you run out or miss a step in your routine.

Visible Results That Strengthen and Protect

With consistent use, C‑Radical Defense Serum helps reduce fine lines, brighten dullness, and improve skin firmness. Its antioxidant-rich formula strengthens the skin’s barrier, defends against future damage, and supports long-term skin health. The result: a smoother, more even complexion that looks younger and stays resilient over time.

Clinical Results

71%

saw reduction in the appearance of uneven skin texture within 8 weeks

69%

saw reduction in the appearance of redness within 8 weeks

50%

saw reduction in the appearance of fine lines within 8 weeks

Frequently Asked Questions

What does C‑Radical Defense Serum do?

It protects skin from environmental damage, brightens discoloration, and supports a healthier, more even complexion. Its 14 antioxidant blend—including vitamin C—helps reduce oxidative stress, prevent premature aging, and improve firmness over time.

Is it safe for sensitive skin?

Yes. C‑Radical Defense Serum is formulated with a stable, non-irritating form of vitamin C and soothing antioxidants, making it safe for all skin types, including sensitive or post-procedure skin.

How should I use it in my routine?

Apply once daily in the morning after cleansing and before moisturizer and sunscreen. It layers easily under other products and makeup, making it simple to add to any regimen.

How long does it take to see results?

Many users notice brighter, smoother skin in just a few weeks. With consistent use, improvements in firmness, texture, and overall radiance typically become more visible over 8–12 weeks.

What makes it different from other vitamin C serums?

Unlike many vitamin C products that can irritate or oxidize quickly, C‑Radical Defense Serum uses a highly stable vitamin C combined with 13 additional antioxidants for maximum protection and visible results, without stinging or redness.

✅ Genuine Products ✅

We are proud to be an Authorized Alastin Retailer, using the exact same products every day on clients in our NYC skincare clinic. Every product you receive is 100% authentic and factory-sealed. All items are shipped directly from our environmentally controlled space to preserve their quality and efficacy.

How to Use C-Radical Defense Antioxidant Serum

In the morning and evening after cleansing, apply 1-2 pumps of serum to the face. Avoid getting in the eyes. If contact occurs, rinse thoroughly with water.

Full Ingredients List

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

Results Vary by Individual

The skincare benefits described are based on the product’s intended use and active ingredients, but individual results can vary. Factors such as skin type, condition, lifestyle, and consistent use all influence outcomes. This information is not a substitute for professional advice. Always follow usage directions and consult a skincare professional for personalized recommendations.

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