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This Product |
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Key Benefit |
Visible dark spot reduction |
Visible dark spot reduction |
Improves skin clarity |
Long term even-looking skin |
Brighten eye area |
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Application |
Day |
Night |
Day or Night |
Day or Night |
Day or Night |
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Formulated with Thiamidol |
✓ |
✓ |
✓ |
✓ |
✓ |
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Suitable for Sensitive Skin |
✓ |
✓ |
✓ |
✓ |
✓ |
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Clinically Proven Formula |
✓ |
✓ |
✓ |
✓ |
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Highlights
Summary
Eucerin Radiant Tone Dual Serum Dark Spot Corrector with Hyaluronic Acid helps visibly reduce the look of persistent dark spots.
Benefits
- Facial serum helps minimize the look of persistent dark spots due to sun exposure, aging and imperfections
- Skin appears more radiant in as little as two weeks
- Skin clarity continues to improve over time with regular use of this dark spot serum
- Face serum helps smooth the look of fine lines and wrinkles
- #1 Dermatologist Recommended Brand for Dark Spots* (*ProVoice Survey June 2026)
Features
- Lightweight, non-sticky hydrating serum
- Non-comedogenic face moisturizer
- Clinically proven formula
- Suitable dark spot serum for all skin types
Key Ingredients
- Formula with Thiamidol helps reduce the look of persistent dark spots due to sun exposure, aging and imperfections
- Enriched with Hyaluronic Acid
Item 2634615
Apply Eucerin Radiant Tone Dual Serum to your face and neck after cleansing.
Limit the collective use of Radiant Tone skincare products to four times daily.
Precautions: Keep out of reach of children. For external use only. Avoid contact with eyes. Discontinue use if irritation occurs.
Water, Alcohol Denat., Butylene Glycol, Glycerin, Isopropyl Palmitate, Cetearyl Isononanoate, Diisopropyl Adipate, Propylheptyl Caprylate, Cetearyl Alcohol, Distarch Phosphate, Sodium Hyaluronate, Tocopherol, Sodium Ascorbyl Phosphate, Isobutylamido Thiazolyl Resorcinol, Glycyrrhiza Inflata Root Extract, Glucosylrutin, Isoquercitrin, Glycine Soja (Soybean) Oil, Glyceryl Stearate, Hydroxypropyl Starch Phosphate, Dimethicone, Dehydroxanthan Gum, Sodium Stearoyl Glutamate, Xanthan Gum, Gellan Gum, Sodium Chloride, Phenoxyethanol, Ethylhexylglycerin, Trisodium EDTA, Citric Acid, Fragrance.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Most Helpful Positive Review
Achieve Luminous Skin with Eucerin Radiant Tone Dual Serum!
I recently added the Eucerin Radiant Tone Dual Serum to my skincare routine, and I am absolutely thrilled with the results! This product has quickly become a staple in my quest for radiant and even-toned skin. From the first application, I noticed how lightweight and non-greasy the serum felt on my...
Most Helpful Critical Review
Not for me
I received Eucerin Radiant Tone Dual Serum as part of a free trial. I initially tested it on a small section of my cheek to make sure that it wouldn't irritate me (certain skin creams tend to irritate me so I usually test on a small part of my face before applying all over). This initial test went w...
641 results
Clear skin
I have spent so much money on fading my spots on my arms and legs nothing help. My dermatologist recommended this product and it has changed my life. it's pricey, but worth it.
Radiant-tone-dual-serum-dark-spot-corrector .
Radiant-tone-dual-serum-dark-spot-corrector is an awesome product!!!
I see a difference and LIKE the fragrance!
Verified Buyer
Reviewed at

I'm a bit of a product junkie and am also sensitive to scents meaning I can be hard to please. I've spent $$$ over the years for Vitamin C products to supposedly brighten dark spots and they either don't work, have too much silicone for my skin, or smell like hotdogs. This product has a light, feminine scent that I actually associate with luxury skincare, glides on without a silicone base, and in 3 weeks, I see a noticeable in difference in my skin! You do have to commit to sunscreen, and it tingles a bit (I apply right after showering), but I am impressed, especially at this price point. As soon as I finish my current sunscreen, I am going to try the lotion with sunscreen and see how using two of the thiamidol products together works!
I'm OBSESSED
I keep coming back to this serum; it fades existing dark marks and helps prevent new ones. I like that it doesn't interact with the other products in my routine either. I use 1-2 pumps, and this is one of the only products that I've noticed a considerable difference with. I also like the texture. The secret is the thiamadol ingredient, which makes sense since it's backed by research. This ingredient is newer to the states i rhink and I'm surprised more people aren't talking about it! I'd skip the other products in the line, this one is the best.
Early days yet
I have brown skin and am prone to hyperpigmentation. I have some stubborn marks on my face and have been using this lotion for 2 weeks. I certainly see some lightening but I will give it a few more weeks before the final verdict.
Questions
Q&A
Showing 5 out of 12 Questions
- Q
Can it be used along with Sunday Riley night oil?
- Asked by R
- Official Answer By Eucerin - Brand EngageWe appreciate your interest in our product. We cannot provide advice on the use of other products. For best skin compatibility, we recommend using products from within the Eucerin Radiant Tone range.Was this answer helpful to you
- Q
I have had dark spots/PIH for the past 5 years will this product get rid of it with consistent use?
- Asked by BBBB
- Official Answer By Eucerin - Brand EngageEucerin Radiant Tone Dual Serum helps to visibly reduce the look of persistent dark spots. Skin will appear more radiant in as little as two weeks.Was this answer helpful to you
- Q
I have Rx Hydroquinone to reduce brown spots. Can someone chime in on how this compares? Should I stick with the Rx Hydroquinone or try this?
- Asked by East Coast Girl
- Official Answer By Eucerin - Brand EngageWe appreciate your interest in our product. We cannot provide advice on the use of other products. For best skin compatibility, we recommend using products from within the Eucerin Radiant Tone range.Was this answer helpful to you
- Q
Can you use this line of products with medicube vitamin c deep pads
- Asked by Justina
- Official Answer By Eucerin - Brand EngageWe appreciate your interest in our product. We cannot provide advice on the use of other products. For best skin compatibility, we recommend using products from within the Eucerin Radiant Tone range.Was this answer helpful to you
- Q
Can I use Eucerin dual Syrum under make up foundation
- Asked by Violeta
- Official Answer By Eucerin - Brand EngageYes, Eucerin Radiant Tone Dual Serum can be used prior to applying makeup.Was this answer helpful to you