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Gundry MD Dark Spot Diminisher

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Gundry MD Dark Spot Diminisher

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645 Customer Reviews

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The Dark Spot Diminisher is a skin serum that claims to use polyphenols and other beneficial ingredients to even out your skin tone and fade dark spots. Customer reviews indicate it works as described, and the ingredients are mild enough for most skin types.


  • Ingredients show clinical evidence for reducing dark spots
  • Minimal side effects associated with ingredients
  • Positive customer reviews indicate it works for many


  • Confusing pricing information
  • No ingredients that stand out compared to other dark spot treatments

Gundry MD Dark Spot Diminisher Review: A Detailed Look

By Lydia Noyes

Updated on: Apr 30, 2020

The Gundry MD Dark Spot Diminisher claims to combat many forms of skin discoloration, including age spots, sun spots, and liver spots. This advanced serum promises to transform a blotchy, uneven skin tone to restore your skin and give you a more youthful appearance.

Dr. Gundry is an American doctor and author who formerly worked as a cardiac surgeon. He’s written numerous books on holistic wellness through a better diet and has released a line of supplements and skincare products designed to keep you looking young and feeling healthy.

The Dark Spot Diminisher’s formula contains a range of ingredients that will purportedly improve your skin’s health without adverse side effects, meaning that you can use it for the long term.

These claims aren’t unique within the anti-aging skincare industry. Does the Gundry MD Dark Spot Diminisher stand out from other options? Our analysis of this premium product will help you decide if it is a good option for you.

How to Use It

The Gundry MD Dark Spot Diminisher is a skincare serum designed for twice-daily use. The company suggests you apply it to your trouble spots twice daily in the morning and evening.

You can start by applying a dime-sized amount to your dark spots and surrounding areas, massaging it into your skin with gentle circular motions.

Make sure you leave it on for as long as possible before showering or otherwise rinsing it off so that the active ingredients have time to work.

Analysis of Ingredients

Many of the ingredients in the Gundry MD Dark Spot Diminisher act as emollients, exfoliants, skin lightening agents, humectants, thickening agents, preservatives, natural sources of antioxidants, and other skin conditioning agents.

A few deserve a second look.

Bacillus ferment is an enzyme-based skin exfoliant that is used as an alternative to alpha hydroxy acid (AHA), a class of compounds that are often used to plump and smooth the skin while visibly brightening dark spots. Some people experience adverse side effects from AHA’s like burning, itching, or even blisters, so bacillus ferment is often used as a milder alternative with less risk of irritation.

Diglucosyl gallic acid, also known as trihydroxy benzoic acid alpha-glucoside, is a patented molecule that’s used to lighten skin pigmentation and brighten your overall skin tone. It can reduce dark spots and prevent new ones from forming.

Sodium hyaluronate is a common ingredient in anti-aging products because it will purportedly increase your collagen production to improve your skin’s elasticity and fill in fine lines and wrinkles. Clinical evidence shows that it will work as described, but only when taken as injections. There’s less evidence right now that it will work when used topically in a skin cream.

Diamond powder is often added to skincare products, both to increase their perceived value and to act as a natural exfoliant. The powder is commonly used as a brightener to disguise fine lines and wrinkles by reflecting light off your skin. However, this ingredient is listed low in the Gundry MD Dark Spot Diminisher, so you shouldn’t assume there’s much in it.

Finally, the serum includes a range of plant extracts that are known as polyphenols. Renowned for their high antioxidant content, polyphenols applied topically are considered an effective way to combat some of the causes of aging skin, including environmental damage and free radical exposure.

Overall, many ingredients in the Gundry MD Dark Spot Diminisher show promise for working as described to moisturize your skin and lighten your dark spots.

Possible Side Effects

According to the company website, all Dark Spot Diminisher ingredients are 100% safe for topical use and won’t lead to skin irritation when used correctly.

We didn’t uncover any known side effects throughout the research process, and in at least one case—bacillus ferment—a milder version of a popular ingredient is used to reduce irritation further.

If you tend to have sensitive skin, it’s still a good idea to perform a patch test before using this product. Dab a small amount on your arm and watch how your skin responds over 24 hours before applying it to your face.

Pricing and Money-Back Guarantee

Gundry MD Dark Spot Diminisher is currently listed on the company’s official website at the following prices:

  • One Bottle: $120
  • Two Bottles: $228
  • Three Bottles: $324

However, we also found an “internet only promotion” offer from the company where the same-sized bottles of Gundry MD Dark Spot Diminisher cost the following:

  • One Bottle: $49
  • Two Bottles: $86 ($43 each)
  • Three Bottles: $120 ($40 each)

In other words, you may want to shop around.

Shipping seems to be free for all purchases, and you can expect two to seven-day delivery.

All orders from the company website qualify for a 90-day money-back warranty that comes into effect on the day you make the purchase. Keep in mind that purchases from other retailers such as Amazon don’t qualify for this refund and that you’ll need to pay any return shipping costs.

You can initiate this process by contacting customer service at (800) 852-0477 or support@gundrymd.com.

Analysis of Customer Reviews

We have almost 500 reviews of the Gundy MD here at HighYa, and the product has averaged an impressive 4.2 stars, with 89% of users saying that they would recommend to it a friend. Here’s a closer look at what these customers want you to know:

Common Compliments:

  • Began to reduce dark spots within a week of use
  • Left hands looking younger after treatment
  • Works well if you prep your skin beforehand

Common Complaints:

  • Didn’t work as promised to lighten dark spots, even after months of use
  • The scent was too strong for some users
  • Results were too subtle for the cost
  • Left a reddish tone on some user’s skin
  • Some experienced delayed shipping

Popular Alternatives

Plenty of options are available today, promising to restore your skin and even out its coloring. Here’s a summary of how it compares to two popular products: the Beverly Hills MD Dark Spot Corrector and the City Beauty Illuminating Dark Spot Corrector.

Gundry MD Polyphenol Dark Spot Diminisher Beverly Hills MD Dark Spot Corrector City Beauty Illuminating Dark Spot Corrector
Cost $120 per bottle (1-oz) $129.95 per bottle (1-oz) $72 per bottle (1-oz)
Key Ingredients Bacillus ferment, Diglucosyl gallic acid, Sodium hyaluronate, polyphenols Kakadu Plum, DermalRx, Daisy Flower Extract, Niacinamide Alpha Arbutin, Sepiwhite-MSH, Resveratrol
Average HighYa Rating 4.2, 89% would recommend to a friend 4.5, 89% would recommend to a friend 4.3, 89% would recommend to a friend

As this chart shows, both the Gundry MD and Beverly Hills MD dark spot treatments cost approximately the same amount, at over $120 per 1-oz bottle. The City Beauty Illuminating Dark Spot is comparatively affordable at almost half the cost.

What’s interesting is that all three products rely on significantly different ingredients to achieve the same aim—fading dark spots on the skin. One consistency between them is that each contains a plethora of plant-based ingredients that act as natural sources of antioxidants and polyphenols to improve your skin naturally.

Each has also earned a stellar review from HighYa readers, averaging more than four stars and close to nine out of 10 readers recommending them to others.

In our estimation, this means that you can’t go wrong with experimenting with any one of these dark spot removers. Each company also offers a no-questions-asked return policy, so you will only be out the cost of shipping if you decide it isn’t right for you.

The Bottom Line: Is It Worth It?

Overall, the Gundry MD Dark Spot Corrector seems to be a viable option for improving your skin and fading dark spots. None of the product’s ingredients raised any red flags from a safety standpoint, and many show clinical evidence for improving your skin texture and tone so that you look younger.

One thing to be aware of is that this product seems to be sold at wildly varying price points across the web – even from the official company. We found savings of almost 60% per bottle on different websites, so we recommend shopping around before committing either way.

The Gundry MD Dark Spot Diminisher was a positive purchase for many reviewers, and there’s a good chance that you will have a similar experience. Just keep in mind that there are plenty of similar products available that will likely deliver the same level of results, so it’s worth shopping around.

Customer Reviews

4.3 Stars out of 645 Reviews
5 Star:53% 4 Star:34% 3 Star:4% 2 Star:2% 1 Star:5%
90% Recommend This Product
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Posted on Oct 5, 2021

It truly works!

By Nancy H., Stroudsburg, PA, Verified Reviewer

Hello Dr. Gundry,

I have to be the happiest client user of your Dark Spot Remover. I have tried A LOT of other products like yours but yours is the first one that lives up to what you say.

So first I want to say thank you for your honesty, then for making a product that actually does exactly what you said, it removes dark spots and quickly! I am only on my first bottle and my spots are almost gone. My friends asked me what I was doing because my face had a glow about it and I was happy to tell them it was because of your product.

I had both big and little spots when I started and one was especially dark and it's the last one left. Both my cheeks had one big spot on each, which I think was from not using a barrier before applying rouge to them first, well, I am proud to tell you they are now completely gone. The other two were just above my jawline, one is completely gone and the other is certainly not as dark as it was but is fading as well.

Thank you Dr. Gundry for the most amazing dark spot remover I have ever used.

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

It works and works fast

It dries very quickly, which makes for a fast morning

Your bottles are very generous with Diminisher

It a little greasy, but dries quickly

Posted on Oct 3, 2021

The best result I ever got

By Azusa O., Berkeley, CA, Verified Reviewer

I purchased Gundry MD Dark Spot Diminisher two months ago. This already produced the result. My dark spots reduced in half by the number. Small ones have disappeared. Larger ones reduced size in half. I was impressed by how quickly it produced results. I got excited and I purchased another bottle, though I only used half from the 1st bottle. I am looking forward to seeing continuous results until all spots have disappeared. After I tried many similar products on the market to treat the dark spots on my face, to no avail, I was even contemplating receiving expensive laser treatment. I can say now definitely that Gundry MD Dark Spot Diminisher is the best product money can buy.

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

It works, period!

No “cons” were specified in this review

Helpful Review? 1 Person Has Voted

Posted on Oct 1, 2021

Gundry MD Dark Spot Diminisher

By Jacqueline M., Aurora, CO, Verified Reviewer

I like it so much. My dark spots have disappeared. I use it every day, morning and evening. I see results already. I like it.

Length of Use: 1–2 years

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons




No “cons” were specified in this review

Posted on Sep 14, 2021

The Dark Spot Diminisher works!

By Nelda L., Carmichael, CA, Verified Reviewer

The Dark Spot Diminisher did the job. It took some hard-to-treat spots off. Some spots continued to stay. But I was persistent and continued to use the Diminisher and they finally bleached away. I scraped each spot that remained. I continued using the Diminisher and finally they disappeared. Since that time I had more spots appear so I quickly put some more spot diminisher on them and they seem to be going away. Hopefully they'll be gone in about three months. I just keep my bottle nearby.

Thank you for your product, Dr. Gundry, I am very pleased.

I usually will get more spots from deep frying. The splattering of oil is my enemy.

Length of Use: 2+ years

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

It's very easy to use and goes on very easily

No scent

Very nice to use and dries quickly

No “cons” were specified in this review

Posted on Sep 11, 2021

Surprisingly working great!

By Patricia M., Springfield, MO, Verified Reviewer

The brown spots on my face and back of my hands have substantially diminished. The only spots left are my life-long freckles, and they have lightened.

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

Easy application

Worked fairly quickly

Worked under my night time serums

Hard to get every bit out of the bottle

Posted on Sep 9, 2021

The product is easy to use and the result was exceptionally fast.

By Margaret M., Cranford, NJ, Verified Reviewer

I started to see results immediately. The product is a good consistency and is easy to apply.

My hands look ten years younger.

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Posted on Sep 1, 2021

It works

By Jacqueline W. , Chicago, IL

I was a bit skeptical but I bought it. I’m glad a did. I noticed my skin quite quickly get smoother and the dark spots lighten. They don’t take them away but the softening and lightening was awesome. My skin tone is more even. I would recommend this product.

Length of Use: 3–6 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

Pleasant smell

Smooths out skin

Lightens dark spots

The dropper

Posted on Aug 28, 2021

I love Gundry Dark Spot Diminisher

By Gaylene M., Moore, OK, Verified Reviewer

I have seen my age spots on my face and hands gradually getting lighter as I use this product.

The Gundry Dark Spot Diminisher applies nicely, like a lightweight lotion, and has a nice light refreshing scent.

I feel safe using this product on my face and hands due to the natural ingredients and my past experiences with Dr. Gundry’s products.

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

All natural and safe

The scent did not give me a headache

The application was light and smooth like applying a non-greasy lotion

Probably the cost

Posted on Aug 16, 2021

Skin looks radiant

By Robin T., Atlanta, GA, Verified Reviewer

I saw lightening of dark spots over the first 6 weeks. Two stubborn spots I’m still working on. I got a facial two weeks ago (about 7 weeks into using the product) and my regular technician couldn’t believe my skin. She immediately asked what I was using, commenting that my skin was moist and dewy...and noticed the lightening of areas.

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons


Dewy skin

Almost a plumping of the skin

No “cons” were specified in this review

Posted on Aug 15, 2021

It really works!

By Maria G., Sacramento, CA, Verified Reviewer

I wasn't sure if the product really worked so I just ordered 3 bottles. My mom and I started using the product and after a month or so, we started noticing the difference! I’ll be contacting you pretty soon to order more and be members.

This summer’s sun has been so damaging on our complexion - we’re so glad to have stumbled on this product. Thanks for everything!

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

It works

Easy to use


Posted on Aug 14, 2021

Finally something that actually does what it says!

By Elizabeth A., Interlochen, MI, Verified Reviewer

I'm pleased with Dr. Gundrys' products. Recently I tried the Dark Spot Diminisher and am amazed at how quickly my dark spots are fading. Finally a real diminisher!

Length of Use: Less than 3 months

Bottom Line: Yes, I would recommend this to a friend

Pros and Cons

Ease of use

Actually can see results within a week

Don't need to use much of the product for results

Takes a while to absorb into the skin

Showing 1-11 of 645

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