Quench

Vitamin C Serum

4.8
Rated 4.8 out of 5 stars
189 Reviews

Award-winning antioxidant-packed formula featuring three stable forms of Vitamin C—brightens and revitalizes, delivering potent anti-aging benefits without irritation for radiant, healthier-looking skin.

✓ 60 day money back guarantee on first order

✓ FFREE SHIPPING to USA, Canada, and UK

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MD Formulated

Clinically Proven

Premium Ingredients

For All Skin Types

Cruelty Free

Clinically Proven to Fight Aging Skin

When used consistently within the Trifecta system, Quench visibly reduces signs of aging in as little as 4 weeks. We adhere to the highest product standards and validate efficacy through rigorous third-party testing. After 8 weeks of usage, the clinical study proved:

100% of subjects had improvement in skin’s moisture.

100% of subjects had improvement in fine lines & wrinkles.

91% of subjects had improvement in skin’s firmness.

Clinically Proven to Fight Aging Skin

When used consistently within the Trifecta system, Quench visibly reduces signs of aging in as little as 4 weeks. We adhere to the highest product standards and validate efficacy through rigorous third-party testing. After 8 weeks of usage, the clinical study proved:

100% of subjects had improvement in skin’s moisture.

100% of subjects had improvement in fine lines & wrinkles.

91% of subjects had improvement in skin’s firmness.

Truly Innovative
Anti-Aging Formulas

TRIPLE VITAMIN C COMPLEX
Delivers three stable forms of Vitamin C designed for powerful results without the irritation. Formulated with moderated doses for twice daily use.

PROVEN BRIGHTENING
Visibly reduce discoloration & pigmentation issues due to aging and sun damage.

ANTIOXIDANT-RICH HYDRATION
Infused with botanicals and antioxidants to soothe and calm irritation and redness.

Truly Innovative
Anti-Aging Formulas

TRIPLE VITAMIN C COMPLEX
Delivers three stable forms of Vitamin C designed for powerful results without the irritation. Formulated with moderated doses for twice daily use.

PROVEN BRIGHTENING
Visibly reduce discoloration & pigmentation issues due to aging and sun damage.

ANTIOXIDANT-RICH HYDRATION
Infused with botanicals and antioxidants to soothe and calm irritation and redness.

How to Use

Apply 1-2 pumps to freshly cleansed face, eye area, and neck, morning and night.

Consistent use for a minimum of 3-6 months, and beyond is key to see best results.

How to Use

Apply 1-2 pumps to freshly cleansed face, eye area, and neck, morning and night.

Consistent use for a minimum of 3-6 months, and beyond is key to see best results.

Vitamin C Serum

Hands down this is the best Vitamin C serum I have used. I have used the product for over 3 months now and my skin tones are more even and brighter.” - Sari R.

Active & Potent

“Everyone knows Vitamin C is powerful but not all serums are created equal. From first use of this Vitamin C my skin soaked this serum up and I noticed a difference in my skin. ” - Michelle L

Stand Out Vitamin C Serum

“I have tried many different C serums over the years and this is above and beyond the best I have used. I have been using consistently for nearly a year now and notice how smooth and dewy my complexion has become.” Annabel P.

Quench Immediate Results

 “I am truly in love with Quench. I am 69 years old and have never used vitamin C serums. Sunspots have already started to reverse my skin is much clearer and smoother, and just overall healthier looking and feeling.” - Vickie B. 

Best Vitamin C Serum I’ve Tried

“Best Vitamin C Serum I’ve tried. I have tried many, and either didn’t live the texture or smell, or both. A small amount goes a long way, and glides on easily, while still being well-absorbed.” - Susan C. 

This Vitamin C Works

“I really like this Vitamin C. It feels good on my skin is easy to apply, and it works. After using it for several months, it helped tighten the skin of my neck so it does not look wrinkled.” - Judy T. 

Great Skin Made Simple

The Trifecta was developed by world renowned skin and facial rejuvenation expert Dr. Amir Karam. This routine is formulated with only the best high-quality ingredients, and designed to deliver results that only get better over time. Learn more about the creation of the Trifecta. 

Great Skin Made Simple

The Trifecta was developed by world renowned skin and facial rejuvenation expert Dr. Amir Karam. This routine is formulated with only the best high-quality ingredients, and designed to deliver results that only get better over time. Learn more about the creation of the Trifecta. 

INGREDIENTS

QUENCH

Aqua/Water/Eau, Pentylene Glycol, Magnesium Ascorbyl Phosphate, Aminopropyl Ascorbyl Phosphate, Tetrahexyldecyl Ascorbate,  Sodium Hyaluronate, Ziziphus Spina-Christi (Christ’s Thorn) Leaf Extract, Epilobium Angustifolium (Fireweed) Flower/Leaf/Stem Extract, Camellia Sinensis (Tea Camellia) Leaf Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Trehalose,  Panthenol, Aloe Barbadensis (Aloe Vera) Leaf Juice, Tocopherol, Glycerin, Hydroxyethylcellulose, Phenoxyethanol, Ethylhexylglycerin, Sodium Nitrate, Disodium Phosphate, Polysorbate 60, Citric Acid, Sodium Phosphate, Potassium Sorbate, PPG-26-Buteth-26, Sodium Benzoate, PEG-40 Hydrogenated Castor Oil, Glyoxal, Sodium Metabisulfite, Sodium Hydroxide.

4.8
Rated 4.8 out of 5 stars
Based on 189 reviews
Slide 1 selected
189 reviews
  • PM
    Patricia M.
    Verified Buyer
    What are your skin concerns? General Aging
    2 hours ago
    What are your skin concerns? General Aging
    Rated 5 out of 5 stars
    Love the title

    Feels great to apply before lotion.

  • RT
    Ruth T.
    Verified Buyer
    What are your skin concerns? Fine Lines & Wrinkles, General Aging, Uneven Skin Tone / Discoloration , Loss of Elasticity , Environmental Damage
    3 hours ago
    What are your skin concerns? Fine Lines & Wrinkles, General Aging, Uneven Skin Tone / Discoloration , Loss of Elasticity , Environmental Damage
    Rated 5 out of 5 stars
    The most important part: I use it CONSISTENTLY

    Because of the Dr’s repeated encouragement to use this consistently, I actually do— Ice bought lots of products over the years and quickly fade away from using them if they seem sort of hum-ho in the results department, but I have Quench an honest effort and now I don’t ever want to skip it— for me it lightens up my older skin and short of a facelift, with other consistent practices like never going outside without sunscreen, and no alcohol ever, and very low salt intake, my skin looks 20 years younger than its chronological age— I know this because in conversations people who are bold enough to “peg” my age (unasked to do so) always get it wrong by 20 years and I never correct them. I also use the entire Trifecta CONSISTENTLY and that is where you reap the rewards. This stuff is way more expensive than I normally buy, but it is quality, it shows very good results and I actually USE it, so I skimp on not buying expensive coffee drinks and I never drink alcohol because it trashes one’s skin.

  • D
    Diana
    3 days ago
    Rated 5 out of 5 stars
    5 Stars

    I’ve been using quench for approximately three months, along with other products by KaramMD.

    Not only have I noticed a huge difference in the texture and beauty of my complexion, but others have made comments to me as well!

    It’s all about sticking with a product and using it religiously! KaramMD has amazing products that I will continue to use to get this radiant complexion at 62 yrs old!

  • MM
    Mary M. H.
    Verified Buyer
    What are your skin concerns? General Aging
    6 days ago
    What are your skin concerns? General Aging
    Rated 5 out of 5 stars
    Trifecta + Enrich + Polish + Elta MD SPF 50

    I have been using the entire Karam MD skincare product line. I began 9 months ago and I could not be happier especially since I am approaching 64 years of age! Hands-down, it is the best result-oriented product I have ever used! Whether one is interested in surgical procedures or not, I feel this product line will preserve one’s natural beauty as we go through the natural aging process. Thank you, Dr. Karam❣️

    KS Profile picture for KaramMD Skin
    KaramMD Skin
    48 minutes ago

    Thank you so much, Mary! It means the world to hear how beautifully your skin has responded over these past nine months. Your commitment truly shines through, and we’re honored to be part of your routine. We’re so grateful for your trust and your kind words. 💛