Hydrate, Glow, & Protect

Quench

Vitamin C Serum

4.8
Rated 4.8 out of 5 stars
263 Reviews

An antioxidant-packed Vitamin C formula that visibly reduces the look of skin discoloration, supports natural collagen production, helps protect against environmental stressors, and boosts visible radiance—without any irritation.

Size: 1 fl oz 30 mL

Square-format lifestyle photo showcasing Quench Serum as part of a daily beauty regimen on a clean, modern vanity.

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.

Square-format lifestyle photo showcasing Quench Serum as part of a daily beauty regimen on a clean, modern vanity.

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.

Trifecta is 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.

Trifecta is 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.

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 263 reviews
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Customers Talked About
263 reviews
  • TA
    Teresa A.
    Verified Buyer
    What are your skin concerns? General Aging
    20 hours ago
    What are your skin concerns? General Aging
    Rated 5 out of 5 stars
    Great stuff !!!

    after you use it your skin is nice and tight. Feels great!

    KS Profile picture for KaramMD Skin
    KaramMD Skin
    25 seconds ago

    Thank you so much for this fantastic review! We're so glad Quench is leaving your skin feeling tight and refreshed after every use, that's exactly the feeling we love to hear about. Thanks so much for sharing, we really appreciate you! ✨

  • H
    Hoshi
    Verified Buyer
    What are your skin concerns? Uneven Skin Tone / Discoloration, Loss of Elasticity, Dryness, Skin Texture, Sensitivity
    1 week ago
    What are your skin concerns? Uneven Skin Tone / Discoloration, Loss of Elasticity, Dryness, Skin Texture, Sensitivity
    Rated 5 out of 5 stars
    More Radiant

    I like KaramMD Skincare for its simplicity and benefits. Quench boosts radiance and evens out skin tone. After a month, my skin feels smoother and looks more radiant. Seeing these positive results eases my skincare stress.

    KS Profile picture for KaramMD Skin
    KaramMD Skin
    6 days ago

    Hi Hoshi! It's so wonderful to hear how much ease Quench has brought to your routine, thank you for sharing this with us.

    A month in and already seeing smoother, more radiant skin is such a great sign, and we love that the simplicity of the routine is helping ease your skincare stress too ✨ That's exactly what we hope for.

    Thank you for being part of our KaramMD family!

    Warmly,
    Customer Care

  • PK
    Pamella K.
    Verified Buyer
    What are your skin concerns? Loss of Elasticity, Dryness, Fine Lines & Wrinkles
    1 week ago
    What are your skin concerns? Loss of Elasticity, Dryness, Fine Lines & Wrinkles
    Rated 5 out of 5 stars
    Quench quenches dry skin

    I love these products - especially Quench and Illuminate. My skin finally feels moisturized and healthy.

    KS Profile picture for KaramMD Skin
    KaramMD Skin
    23 hours ago

    Hi Pamella,

    Thank you so much for this! We're so happy Quench and Illuminate have finally given your skin that moisturized, healthy feeling you've been looking for. Reviews like this make our day. 🥰

    Warmly,
    Customer Care

  • LM
    Lauren M.
    Verified Buyer
    What are your skin concerns? General Aging, Uneven Skin Tone / Discoloration
    3 weeks ago
    What are your skin concerns? General Aging, Uneven Skin Tone / Discoloration
    Rated 5 out of 5 stars
    Trifecta

    I have been using the Trifecta for several months and it is a simple and effective regime! I highly recommend!

    KS Profile picture for KaramMD Skin
    KaramMD Skin
    3 weeks ago

    Thank you so much for your kind words! We're delighted to hear that you've been enjoying the Trifecta and that it's been a simple and effective part of your routine. We truly appreciate your recommendation and are grateful to have you as part of our community. Thank you for sharing your experience!