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Alastin Skincare C-Radical Defense Antioxidant Serum

Sale price $199.00
Regular price $218.00
Save $19.00
Shipping calculated at checkout.
Size: 1.0 oz
In Stock and ready to ship

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Protects against free radicals while brightening skin
Product Info
Alastin Skincare C‑Radical Defense Antioxidant Serum – A high-performance antioxidant serum powered by TriHex™ peptide complex and a potent blend of vitamins C, E, and botanicals to neutralize free radicals, boost skin defenses, and reveal brighter, more resilient skin.
  • Protects against oxidative stress and environmental damage with vitamins C (ethylated ascorbic acid), E, and ferulic acid
  • Supports skin repair and resilience through TriHex™ peptide complex that stimulates collagen and elastin production
  • Brightens and evens tone while reducing future discoloration with niacinamide and botanical polyphenols
  • Hydrates and strengthens barrier with hyaluronic acid, ceramides, and lipid-rich emollients
  • Lightweight, fast-absorbing serum blends easily under moisturizer or sunscreen without greasy feel
Who benefits? Ideal for all skin types—especially those concerned with premature aging, environmental damage, or uneven tone—seeking potent antioxidant defense and visible skin resilience from a daily serum.
How to Use

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.

Ingredients
Shipping

When will my order be shipped?

We aim to ship all products the same or next business day (Monday - Friday, excluding holidays) if in stock. If a delay occurs due to manufacturer backorders, we will notify you via email.

When will my order arrive?

Most orders are delivered within 2-3 business days, with over 99% arriving within 7 business days. Delivery times depend on the distance from our Atlanta, GA, location and the carrier.

How do I track my order?

Once your order ships, you will receive an email with a tracking number to monitor delivery progress.

What if my tracking number says "delivered" but I can't find my package?

Check your front/back porches, side doors, garage areas, and with neighbors. If the package is still missing after 2 business days, contact us for assistance.

Best Sellers Rank: #121 of 187 Ranked by units sold, last 90 days
Help Center?
Contact us and one of our skin experts will be happy to help!

Antioxidant Serum

Vitamin C Defense
Suited for:

All skin types

Target concerns:

Environmental damage, dullness, uneven tone

Benefits:

Antioxidant defense, brightens

When to use:

Morning and evening

The Radical Fighter

Why You'll Love It

A clinically proven vitamin C serum that shields skin from environmental stress and preserves elastin.

Alastin Skincare C-Radical Defense Antioxidant Serum

Fifteen Antioxidants Strong

A novel form of vitamin C plus 14 supporting antioxidants defends against daily environmental stressors.

Light Everyday Serum

A lightweight pump serum that absorbs fast and sits well under moisturizer and sunscreen.

Stabilized Vitamin C

Sodium ascorbate teams with ubiquinone and ectoin to provide stable, well-rounded antioxidant coverage.

All Skin Types

Formulated to deliver strong antioxidant protection while staying comfortable enough for all skin types.

Antioxidant Powered

Key Ingredients

Antioxidant Brightening
Vitamin C

Antioxidant Brightening

Vitamin C is a brightening antioxidant that helps even tone, defend against free radicals, and support a more radiant look.

Ectoin
Barrier Defense

Ectoin

Ectoin is a protective molecule that helps shield the skin from stress while supporting lasting hydration and comfort.

Green Tea
Antioxidant Calm

Green Tea

Green tea extract is a soothing antioxidant that helps calm the look of the skin and defend against everyday stressors.

Need to Know

Frequently Asked Questions

Everything you need to know before choosing, using, and caring for your skin with Purity products.

Explore Help Center
When is the best time to use an antioxidant serum like this?

This serum can be applied both morning and evening, using one to two pumps after cleansing. Antioxidants are especially valuable in the morning under sunscreen, where they help defend skin against daytime environmental stress.

What kind of vitamin C does it use?

It's formulated with sodium ascorbate, a gentler, more stable form of vitamin C, alongside 14 additional antioxidants such as CoQ10 (ubiquinone), green tea, and ectoin. This blend is designed to be effective while remaining comfortable for a wide range of skin types.

Should I use this instead of or in addition to sunscreen?

Think of it as a complement, never a replacement. An antioxidant serum helps neutralize free radicals that sunscreen alone can't, so the two work best layered together, with SPF always applied as your final daytime step.

How is this different from a traditional L-ascorbic acid vitamin C serum?

Traditional high-strength L-ascorbic acid serums can be potent but sometimes irritating. This formula uses a novel, gentler vitamin C plus a broad antioxidant complex, so it's a good option if stronger vitamin C serums have felt too harsh for your skin.

Can I layer it with my other Alastin products?

Yes, it's designed to fit seamlessly into a routine. Apply it after cleansing and before your moisturizer, and it pairs nicely with TriHex-based Alastin serums and creams.

Product Comparison

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Sale price $199.00
Regular price $218.00
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Ratings
4.8
5.0
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Ingredient
Vit C, CoQ10, Green Tea: Antioxidant Defense.
Peptides, Arnica: Post-Injection Recovery.
Peptides, HA, Ceramides: Post-Procedure Recovery.
Vit C, Silymarin, Peptides: Antioxidant Defense.
Availability
In stock
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In stock
Not sure if this product is right for you?

Schedule a virtual consultation with Expert Esthetician Lauren Siso today!

Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C
Fifteen Antioxidants Strong
Light Everyday Serum
Stabilized Vitamin C