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VITAMIN C SERUM - Anti Aging Skin Care With Hyaluronic Acid, Antioxidants, Highest Vit C Concentration 20% - Best for Face, Neck and Eyes - Rejuvenate Your Skin with Natural Ingredients

4.1 out of 5 stars 461 customer reviews

About the product
  • REPAIR YOUR SKIN WITH THE HIGHEST EFFECTIVE VIT C CONCENTRATE Power packed with a potent collagen-boosting punch of 20% vitamin C and Vitamin E, our unique formula protects against free radicals and sun damage while reducing the appearance of fine lines and wrinkles.  
  • NOURISH AND REJUVENATE YOUR SKIN Vitamin C is an effective natural exfoliator that penetrates deep beneath the surface, creating new collagen and restoring structure and elasticity. Our unique formula provides refreshing hydration and cellular regeneration. 
  • PERFECT FORMULA FOR ALL SKIN TYPES, INCLUDING YOURS Even the most sensitive skin can benefit from this gentle but powerful replenishing antioxidant serum that visibly reduces signs of aging as it brightens, revives, firms and tightens stressed skin, day or night. 
  • EXPERIENCE COUI’S UNIQUE DROP OF LOVE World-renowned biochemist and skincare expert Dr. Sivak and her team deliver a precise scientifically-formulated blend, overflowing with high-potency anti-aging ingredients so your skin’s radiance shines from the inside out. 
  • ULTIMATE VALUE FOR YOUR DAILY ROUTINE You deserve the best. Try COUI Skincare Natural Vitamin C Serum to see the results. We believe in our exceptional products and have developed them to work together to become your new, trusted go-to skincare line.

Frequently bought together

  • VITAMIN C SERUM - Anti Aging Skin Care With Hyaluronic Acid, Antioxidants, Highest Vit C Concentration 20% - Best for Face, Neck and Eyes - Rejuvenate Your Skin with Natural Ingredients
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  • SUPER VITAMIN C SERUM - Anti Aging, Hyaluronic Acid, Collagen, Sea Kelp, EGF - Vit C For Natural Whitening, Wrinkle Repair Daily Facial Skin Care - Best for Face, Neck and Eyes - Look Younger
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  • PHYTEMANTEAU Day Face Cream Facial Moisturizer - Anti Aging, Anti Wrinkle Skin Repair For Firming Face, Neck, Décolleté
Total price: $114.35
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  • BUY 2 GET 5% OFF. Enter code COUIUS02 at checkout. Here's how (restrictions apply)
  • BUY 3 GET 7% OFF. Enter code COUIUS03 at checkout. Here's how (restrictions apply)
  • BUY 5 GET 10% OFF. Enter code COUIUS05 at checkout. Here's how (restrictions apply)
  • SERUM SPECIAL - Add SUPER VITAMIN C DAILY FACIAL SERUM for 10% OFF Here's how (restrictions apply)
  • GET SUMMER READY SPECIAL - ADD SUNSCREEN 30 SPF FOR 10% OFF SUNSCREEN Here's how (restrictions apply)
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Product Description


Rejuvenate Your Skin and Restore Its Timeless Beauty…

This stellar anti-aging formula was created by biochemist Dr. Sivak, a world-famous skincare authority. VITAMIN C 20% SERUM is a fusion of the finest ingredients from around the globe, and protects your skin with the highest available concentration of pure Vitamin C. This heavy-hitting richly-textured serum stands out in an overcrowded market place. Science supports our claim that your face will BENEFIT from these powerhouse ingredients. VITAMIN C 20% (L-Ascorbic Acid): prevents, repairs, protects againts free radical UV damage—exfoliates and creates new collagen for elasticity; GLYCERIN: treats oily skin, acne, skin infections, wrinkles, fine lines—repairs dry skin; HYALURONIC ACID: stimulates collagen synthesis—keeps skin supple and hydrated—fades wrinkles; FERULIC ACID: brightens and softens—protects from environmental hazards; POMEGRANATE SEED OIL: anti-inflammatory—fights free radicals; LEMON & ORANGE EXTRACTS: blissfully uplifting, vital, glowing skin—help heal acne; CITRUS ESSENTIAL OILS: treat pimples—tighten skin to prevent wrinkles—unclog pores—discourage blackheads. BETA CAROTENE & PHLORETIN: improve tone and elasticity—neutralize free radicals—stimulate cellular rebirth—color the serum yellowy-orange.

Enjoy these BENEFITS of COUI’s VITAMIN C 20% SERUM as it restores your skin’s radiance:

NATURAL EXFOLIATION helps the renewal process to heal your skin at the cellular level;

REJUVENATES sun-damaged, aging skin, restores an enhanced glow and youthful radiance;

FORTIFIES and repairs the skin’s natural defenses against UV damage at a cellular level;

PROTECTS your skin against harsh environmental factors using powerful antioxidants;

FADES AND ELIMINATES brown spots and age spots when used daily due to its acidic nature.

Your skin is bombarded by environmental toxins, stress, and unhealthy diet and sleep patterns. There is a solution. Whether you are 35 or 65 years old, now is the best time to regenerate your skin. No anti-aging skincare regimen is complete without COUI’s VITAMIN C 20% SERUM. Treat your skin to the love and respect it deserves.


Product details

  • Product Dimensions: 1.4 x 1.4 x 4.2 inches ; 3.2 ounces
  • Shipping Weight: 3.2 ounces (View shipping rates and policies)
  • ASIN: B00GHK20PK
  • UPC: 794168047785 035127285504
  • Item model number: 1VITC20THA
  • Average Customer Review: 4.1 out of 5 stars 461 customer reviews
  • Amazon Best Sellers Rank: #86,868 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care)
  • Product Warranty: For warranty information about this product, please click here

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Important information

L-Ascorbic Acid is a very active and healthy exfoliator, helping you to rejuvenate your skin . Do not use it in conjunction with other exfoliators.

This serum contains 20% of Vitamin C (L-Ascorbic Acid) and many other effective natural Antioxidants.Full Ingredients list: Water, L-Ascorbic Acid (Vitamin C 20%), Glycerin, Hyaluronic Acid, Ferulic Acid, Phloretin, Pomegranate Seed (Punica granatum) Oil, Tocotrienols, Vitamin E Oil (Alpha-D-Tocopherol), Astaxanthin, Lycopene, Lutein, Alpha Lipoic Acid, Beta Carotene, Xanthan Gum, Lemon (Citrus limon) Extract, Orange (Citrus sinensis) Extract, Citrus Essential Oils, Optiphen Plus (Phenoxyethanol, Caprylyl Glycol,Sorbic Acid).

Directions for use: Shake well before each use. Apply small amount with fingertips to face, neck and d?collet? areas. Apply in small amounts, just a few drops, on dry and clean skin, to enable the serum to absorb quickly and avoid stickiness. Adjust gradually, if needed. Allow time to absorb prior to moisturizer application. For normal skin, use up to once a day. For sensitive skin, use once every other day. For added results and shelf life, we recommend keeping the serum refrigerated.

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