C³ Glow Veil Defense Serum
C³ Glow Veil Defense Serum
C³ Glow Veil Defense Serum
C³ Glow Veil Defense Serum
C³ Glow Veil Defense Serum

C³ Glow Veil Defense Serum

C³ Glow Veil Defense Serum

4.9
Rated 4.9 out of 5 stars
133 Reviews

A first-of-its-kind triple vitamin C serum designed to brighten at multiple levels of skin while protecting against UV, blue light, pollution, and free radicals.

SKIN TYPES
All, including sensitive skin.

SKIN CONCERNS
Dullness, uneven tone, fine lines, environmental damage, loss of radiance

$98 | 29ml
Replaces 4 products, lasts 2-3 months.

FREE SHIPPING ON U.S. ORDERS OVER $150

Cruelty-Free

Fragrance-Free

Derm-Approved

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C³ Glow Veil Defense Serum
Regular price $98.00
Regular price Sale price $98.00
FREE SHIPPING ON U.S. ORDERS OVER $150
FREE SHIPPING ON U.S. ORDERS OVER $150

Most vitamin C serums use one form of vitamin C. It only reaches one layer of skin and breaks down from sun, screens, and pollution—so results don’t last.

C³ Glow Veil uses three types of vitamin C, each working at a different level, at a different speed.

Triple vitamin C brightens at every level. Fullerene, Acetyl Zingerone, and Japanese Green Tea protects the skin from UV, blue light, and pollution—so brightness doesn’t break down.

The result: glowing, luminous skin. Radiance that holds through screens, sun, and city air.

Treat powerfully:

  • Brightens deeply over time

Ascorbyl Tetraisopalmitate — oil-soluble, penetrates slowly and deeply to improve firmness and tone.

  • Fades dark spots and evens tone quickly

3-O-Ethyl Ascorbic Acid — rapid-acting, works at the surface for visible radiance.

  • Delivers lasting antioxidant protection.

Peptide-C — time-released vitamin C that keeps skin bright and protected all day.

Three types. Three levels deep. 

Protect deeply:

  • Protects against free radicals from UV and blue light.

Fullerene — next-generation antioxidant, exceptionally stable under light exposure for prolonged protection.

  • Protects against environmental stress

Acetyl Zingerone — ginger-derived, keeps skin calm and comfortable.

  • Soothes irritation and redness

Japanese Uji Green Tea Extract — rich in polyphenols that soothe and reduce inflammation.

  • Builds long-term skin strength

Carrot Extract + Silver Vine Fruit Extract — beta-carotene, antioxidant-rich, supports skin health over time.

Vitamin C doesn't work if it breaks down first.

  • Dull, tired-looking skin
  • Uneven tone and dark spots
  • Daily screen and sun exposure
  • Urban environments with pollution
  • Sensitive skin that reacts to vitamin C

Modern skin is under constant attack—UV, blue light, screens, pollution. Most vitamin C serums weren’t built for this.

C³ Glow Veil is built for modern skin. Three types of vitamin C brighten at every level. Antioxidant defense protects against daily damage.

Brightness you can count on—morning to night.

For best results, apply C³ Glow Veil every morning after cleansing.

Apply

Apply 1-2 pumps evenly across the face.

Under eyes

Gently pat a small amount under the eyes to target dark circles.

Layer

Use SPF during the day for enhanced protection.

For enhanced results, pair with De-Spot Brightening Serum.

Our formulas are crafted with clinical actives, Japanese Onsen water, Japanese botanicals and soothing ingredients. Each piece replaces four products in your routine—creating a capsule wardrobe for your skin.

Full Ingredients List

Fragrance-free. Cruelty-free. Derm-Approved

Complimentary shipping on all U.S. orders over $150.

New, unopened products may be returned within 30 days of delivery. For questions and a prepaid return label, contact hello@deauskin.com.

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Offense–Defense Skincare™

Most high-performance skincare makes you choose: potency or gentleness, results or comfort. DEAU eliminates the tradeoff. Our formulas treat powerfully and protect deeply for long-term skin health.

Treat (Offense)

Powerful actives that visibly improve skin concerns.

Protect (Defense)

Soothing ingredients that strengthen and protect.

Intentional Japanese Botanicals

Each DEAU formula includes Japanese botanical extracts, carefully curated to reflect a formulation mindset rooted in balance, restraint, and respect for skin—principles central to Japanese skincare.

Intentional Japanese Botanicals

Real Results

Frequently Asked Questions

Can I use C³ Glow Veil with other vitamin C products?

C³ Glow Veil is a complete vitamin C system. Additional vitamin C products are not necessary and may cause irritation.

Can I use it with retinol?

Yes. Apply C³ Glow Veil first, let it absorb, then follow with retinol.

Does it protect against blue light?

Yes. Fullerene helps neutralize free radicals generated by both UV and blue light exposure.

How long until I see results?

Most see visible improvement within 4–6 weeks of consistent use.

4.9
Rated 4.9 out of 5 stars
Based on 133 reviews
Total 5 star reviews: 119 Total 4 star reviews: 12 Total 3 star reviews: 2 Total 2 star reviews: 0 Total 1 star reviews: 0
98%would recommend this product
133 reviews
  • Zoe
    Flag of United States
    Verified Buyer
    18 hours ago
    Rated 5 out of 5 stars
    holds up next to expensive alternatives

    I've used high-end vitamin C serums that cost twice as much. This one holds up. The texture is nicer than most — lighter, less sticky. My skin is just as bright in the morning and the dark spots on my temples from sun damage are fading consistently. Not going back.

  • Kayla
    Flag of United States
    Verified Buyer
    4 days ago
    Rated 5 out of 5 stars
    my boyfriend noticed before I said anything

    I've been using this for 2 months and my boyfriend randomly said my skin looked really good last week. I hadn't mentioned I'd changed anything. My tone is more even and there's just a glow that wasn't there before. That kind of unsolicited feedback is the best indicator.

  • Rox
    Flag of United States
    Verified Buyer
    5 days ago
    Rated 5 out of 5 stars
    makeup artist tested

    I test everything on my own skin first. This dries down completely, foundation sits perfectly on top, zero pilling. My skin has gotten noticeably brighter over 2 months. Clients have asked what changed. I've started recommending it.

  • Pam
    Flag of United States
    Verified Buyer
    6 days ago
    Rated 5 out of 5 stars
    found it through a skincare thread and have not regretted it

    Someone posted about this in a skincare subreddit and I bought it on impulse. 2 months later I'm the one posting about it. My skin tone is more even, my marks are lighter, the bottle hasn't oxidized. Would genuinely recommend.

  • Isla
    Flag of United States
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    simple addition, real results

    I keep my routine as simple as possible. Added this in the morning before SPF and that's the only thing I changed. 2 months later my skin is consistently brighter and more even. Didn't need to do more. Just needed to do this.

  • Soo Y.
    Flag of United States
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    bottle hasn't oxidized at 2 months

    My biggest issue with vitamin C has always been stability. Every other serum I've tried starts turning orange within a month. This one is still completely clear at 2 months. My skin is brighter and my old marks are fading. Both the stability and the results are real.

  • Amara
    Flag of United States
    Verified Buyer
    2 weeks ago
    Rated 5 out of 5 stars
    city skin needed this

    I live in a city with genuinely bad air quality and my skin was always looking dull and uneven. 2 months of this every morning and my skin just looks cleaner. Brighter. More even. I don't know if it's the vitamin C or the antioxidant protection but something is working.

  • Dani
    Flag of United States
    Verified Buyer
    2 weeks ago
    Rated 5 out of 5 stars
    finally stable in the bottle

    Vitamin C stability has been my dealbreaker with every other serum I've tried. This one has stayed completely clear and the smell hasn't changed at 2 months. My skin is brighter and my marks are fading. The stability alone would make me reorder. The results make it easy.