Radiant Tone Dual Serum — Reddit Reviews
by Eucerin
Updated October 3, 2026
Thiamidol-heavy dark spot serum for melasma and stubborn hyperpigmentation; fragrant.
What the community says
A thiamidol serum with sodium ascorbyl phosphate and licorice extract for stubborn discoloration, especially melasma and post-acne marks. It layers fast and people often use it twice daily or more. The fragrance and alcohol can sting reactive skin.
What this means for you
What people love
- OTC thiamidol does the heavy lifting
- Hits melasma and stubborn spots hard
- Thin lotion texture absorbs quickly
Watch out for
Product details
Use caution
Product Traits
Where to buy
Real Reddit threads — 66 mentions across 29 threads
Eucerin Radiant Tone Dual Serum on Reddit, in one place — 29 threads from r/AsianBeauty, r/30PlusSkinCare and 4 more, summarized.
“Eucerin dual serum!!!!”
Positive
“I tried everything for YEARS to get rid of my hyperpigmentation and melasma”
Positive
“it's a MIRACLE WORKER!”
Positive
“I started using the dual serum, then over did with actives and backed off.”
Mentioned
“I want to get a new bottle and try again.”
Mentioned
“my big sister ... has had fantastic results.”
Mentioned
“Eucerin Radiant Tone Dual Serum (Thiamidol) (let fully dry between the toner and the AA)”
Positive
“No, I use Thiamidol. It is more stable than vitamin C”
Positive
“Tret + AA+HQ = the perfect trio 💕Took me 2yrs to get here”
Positive
“Eucerin Radiant Tone serum”
Cautionary
“Fragrance:”
Cautionary
“here's some products I've used in the last 6 months ... that were terrible for my skin”
Cautionary
“This is 3 months of using the pink eucerin once a day at night”
Positive
“Radiant tone with thiamidol”
Positive
“The Eucerin Radiant Tone Serum made me breakout sooooo bad.”
Positive
“I’m thinking of trying Eucerin Radiant Tone to treat it.”
Mentioned
Dupes & Alternatives
Anua
Azelaic Acid Hyaluron Redness Soothing Serum
Better for Hyperpigmentation
2 shared traits
713 mentions
