Vitamin C Serum with Ferulic Acid, Vitamin E and Hyaluronic Acid Airless Pump
Wow! I'm two weeks... I'm 39 years old. My undereyes haven't looked this healthy since my early 20s.
Loved it! First time buyer here. The product arrived in excellent condition, no damage, no oxidation. Clear smelling as it should, I will probably order again
I’ve been using this serum for a couple of years and absolutely love it! Within the first month of using it, I saw immediate results. My skin felt & looked more hydrated & brighter. I recommend this product to anyone that compliments my skin because I feel it’s because I use this product.
Incredible, works great, slowly bleached out my darker areas on my face caused by shingles, would definitely recommend it .
I used to buy your vitamin c serum online at Amazon, but my daughter said she purchases it directly from your company because it’s fresher. I’ve been using your c serum for a few years and absolutely love it. I also use the night c serum. I started using the c serum again about two weeks ago after ordering directly.. Your serum is excellent and I can see immediate results in glowing and healthy skin after a few days. I also like the fact you offer free shipping. Thank you! I’m a 75 year old woman and have pretty good skin and will continue using your serums forever.
My favorite serum and I've triead a bunch. Makes my skin feel so smooth
As a person who has an acne prone skin that�s sensitive to niacinamide, this is product is my absolute holy grail.
I use all of the products. They are effective and priced very well. The serum has improved my skin tone and appearance. 5 stars!
Game changer for my hyperpigmentation! Two months of consistent use and my dark spots have faded significantly. Worth every penny
I noticed results after completely changed my skincare routine for the better.
I love skinceuticals vit c but not the price tag so after researching and trying different brands I came across this one. I fell in love and I�m about to order my 3rd bottle. It�s works just as good as the skinceuticals. Glowly skin, protection from sun and fades any discoloration.
The perfect balance of potency without irritation. My rosacea-prone skin tolerates this beautifully and I'm seeing great results with consistency
Easy to use and love the way it feels on my skin.
Been using for a few months now and my stubborn acne scars have faded significantly
I have been using this product for a couple of years and feel it is very effective and a great value.
It is very moisturizing and absorbs quickly into the skin. Also it's great for my sensitive skin without irritating and drying. Great Quality!
You can�t buy a better vitamin C serum for the quality, formulation, and price. I only wish they offer this. Same serum in single use glass vials to guarantee freshness as Vitamin C oxidizes with air contact.
Makes my skin look so good. Changed my face in ways I didn't even know were possible.
I had a new bottle of each product. This is a clear liquid whereas the Skinceuticals brand is a light brown. It has the same hot dog water scent and feels the same on my skin. Time will tell if it is as effective.
Opened up the bottle to find it broken.
I�ve been using this C Serum for a few years now and my skin has significantly improved!! I was a teen in the 90�s and the more tan you were, �the better�. Later on in life I had serious sun damage/spots. I discovered this C serum...it had everything I was looking for in it and a price I was ecstatic about. Now at 46 and using this C Serum for a while, the sun spots are hardly visible, adult acne has cleared up and the overall appearance of my skin is fabulous. I�m a devoted client to this Serum!!!
Tried this brand for the first time because I was surprised to see a serum using L-ascorbic acid being sold for so cheap. Was pleasantly surprised by the results. Think I will stick with this one for a long time
Vitamin C Serum with Ferulic Acid, Vitamin E and Hyaluronic Acid Airless Pump
Vitamin C Serum with Ferulic Acid
20% L-Ascorbic Acid + Vitamin E + Ferulic Acid
A high-strength antioxidant serum formulated to visibly brighten skin, improve the appearance of uneven tone, and support collagen production using L-ascorbic acid—the active and most extensively researched form of topical Vitamin C.
What makes this Vitamin C serum different?
Not all forms of Vitamin C are the same.
Many skincare formulas use Vitamin C derivatives because they can offer greater stability and formulation flexibility. Dr. Brenner Vitamin C Serum uses 20% pure L-ascorbic acid, the biologically active and most extensively researched form of topical Vitamin C.
This formula combines:
- 20% L-Ascorbic Acid — the active, extensively studied form of topical Vitamin C
- Vitamin E (Tocopherol) — a complementary antioxidant that works alongside Vitamin C
- Ferulic Acid — an antioxidant used to help stabilize and enhance the antioxidant performance of Vitamins C and E
Research supports combining L-ascorbic acid with Vitamin E and Ferulic Acid to enhance antioxidant performance and improve formula stability.
How does this Vitamin C serum work?
L-Ascorbic Acid helps:
- Neutralize free radicals generated by environmental stressors such as UV exposure and pollution
- Support natural collagen synthesis
- Improve the appearance of dark spots and uneven tone
- Visibly brighten dull skin
- Improve the appearance of fine lines and photoaging with consistent use
Vitamin E and Ferulic Acid complement L-Ascorbic Acid by helping support the stability and overall antioxidant performance of the formula.
Who should use this serum?
This Vitamin C serum is designed for concerns including:
- Dull or uneven skin tone
- Dark spots and visible sun damage
- Fine lines and signs of photoaging
- Loss of firmness or radiance
Best suited for normal, combination, and oily skin types.
Because this is a high-strength L-ascorbic acid formula, those with sensitive skin may prefer to introduce it gradually and adjust frequency based on tolerance.
Why freshness matters
L-Ascorbic Acid is inherently vulnerable to oxidation. Exposure to factors such as air, light, and heat can gradually degrade Vitamin C and reduce its antioxidant activity.
That's why Dr. Brenner Vitamin C Serum is:
- Made with 20% pure L-Ascorbic Acid
- Formulated with Vitamin E and Ferulic Acid
- Fresh-batched every two weeks
- Shipped fresh from our facility
Fresh formulation matters because as L-ascorbic acid oxidizes, its antioxidant activity decreases.
How to use
Apply 2–3 drops to clean, dry skin once daily.
For daytime use, follow with moisturizer as needed and broad-spectrum sunscreen.
If you are new to high-strength L-ascorbic acid or have sensitive skin, begin less frequently and increase use as tolerated.
When will I see results?
Visible changes from topical Vitamin C develop gradually with consistent use.
Some users may notice improved radiance within several weeks, while changes in uneven tone, dark spots, fine lines, and other signs of photoaging generally require longer-term consistent use.
Results vary depending on skin type, formulation, sun exposure, and consistency of use.
Frequently Asked Questions
Can I choose between the airless pump and glass dropper bottle?
Yes — this Vitamin C Serum is available in two separate listings with the exact same 20% L-Ascorbic Acid formula: this Airless Pump version, and our Glass Dropper Bottle version.
What form of Vitamin C does this serum use?
Dr. Brenner Vitamin C Serum uses 20% pure L-ascorbic acid, the biologically active and most extensively researched form of topical Vitamin C.
Why can the serum feel slightly tingly?
High-strength, low-pH L-ascorbic acid formulas can sometimes cause temporary tingling, particularly when first introduced. If persistent irritation occurs, reduce frequency of use or discontinue use.
Can I use this every day?
Yes, if your skin tolerates it. The serum can be used once daily. Those with sensitive skin may prefer to begin less frequently and gradually increase use.
Does Vitamin C oxidize?
Yes. L-Ascorbic acid can oxidize over time, particularly with exposure to air, light, and heat. We fresh-batch our Vitamin C Serum every two weeks to help minimize the time between production and delivery.
Can I use Vitamin C with retinol?
Yes. Vitamin C and retinoids can both be part of the same skincare routine. Many people prefer to use Vitamin C in the morning and retinoids in the evening, particularly if using both together causes irritation.
Why Dr. Brenner Labs
Our approach is simple:
- Evidence-backed active ingredients
- Meaningful concentrations
- Only necessary ingredients
- Transparent formulations
- Fresh production cycles
We focus on formulation choices grounded in skincare science rather than marketing trends.
Ingredients: Water, Ethoxydiglycol, L-Ascorbic Acid (Vitamin C), Propylene Glycol, Glycerin, Laureth-23, Tocopherol (Vitamin E), Sodium Hyaluronate (Hyaluronic Acid), Ferulic Acid, Panthenol, Triethanolamine, Phenoxyethanol.
Reviews
Wow! I'm two weeks... I'm 39 years old. My undereyes haven't looked this healthy since my early 20s.
Loved it! First time buyer here. The product arrived in excellent condition, no damage, no oxidation. Clear smelling as it should, I will probably order again
I’ve been using this serum for a couple of years and absolutely love it! Within the first month of using it, I saw immediate results. My skin felt & looked more hydrated & brighter. I recommend this product to anyone that compliments my skin because I feel it’s because I use this product.
Incredible, works great, slowly bleached out my darker areas on my face caused by shingles, would definitely recommend it .
I used to buy your vitamin c serum online at Amazon, but my daughter said she purchases it directly from your company because it’s fresher. I’ve been using your c serum for a few years and absolutely love it. I also use the night c serum. I started using the c serum again about two weeks ago after ordering directly.. Your serum is excellent and I can see immediate results in glowing and healthy skin after a few days. I also like the fact you offer free shipping. Thank you! I’m a 75 year old woman and have pretty good skin and will continue using your serums forever.
My favorite serum and I've triead a bunch. Makes my skin feel so smooth
As a person who has an acne prone skin that�s sensitive to niacinamide, this is product is my absolute holy grail.
I use all of the products. They are effective and priced very well. The serum has improved my skin tone and appearance. 5 stars!
Game changer for my hyperpigmentation! Two months of consistent use and my dark spots have faded significantly. Worth every penny
I noticed results after completely changed my skincare routine for the better.
I love skinceuticals vit c but not the price tag so after researching and trying different brands I came across this one. I fell in love and I�m about to order my 3rd bottle. It�s works just as good as the skinceuticals. Glowly skin, protection from sun and fades any discoloration.
The perfect balance of potency without irritation. My rosacea-prone skin tolerates this beautifully and I'm seeing great results with consistency
Easy to use and love the way it feels on my skin.
Been using for a few months now and my stubborn acne scars have faded significantly
I have been using this product for a couple of years and feel it is very effective and a great value.
It is very moisturizing and absorbs quickly into the skin. Also it's great for my sensitive skin without irritating and drying. Great Quality!
You can�t buy a better vitamin C serum for the quality, formulation, and price. I only wish they offer this. Same serum in single use glass vials to guarantee freshness as Vitamin C oxidizes with air contact.
Makes my skin look so good. Changed my face in ways I didn't even know were possible.
I had a new bottle of each product. This is a clear liquid whereas the Skinceuticals brand is a light brown. It has the same hot dog water scent and feels the same on my skin. Time will tell if it is as effective.
Opened up the bottle to find it broken.
I�ve been using this C Serum for a few years now and my skin has significantly improved!! I was a teen in the 90�s and the more tan you were, �the better�. Later on in life I had serious sun damage/spots. I discovered this C serum...it had everything I was looking for in it and a price I was ecstatic about. Now at 46 and using this C Serum for a while, the sun spots are hardly visible, adult acne has cleared up and the overall appearance of my skin is fabulous. I�m a devoted client to this Serum!!!
Tried this brand for the first time because I was surprised to see a serum using L-ascorbic acid being sold for so cheap. Was pleasantly surprised by the results. Think I will stick with this one for a long time