Radiant Tone Dual Serum — Reddit Reviews
by Eucerin
Updated August 18, 2026
Thiamidol serum evens stubborn hyperpigmentation and melasma; strong fragrance risk.
What the community says
A serum with thiamidol targets melasma and stubborn hyperpigmentation, favored by many for visible spot reduction. It suits most skin types except highly sensitive or fragrance-intolerant users, as its strong scent and potential irritation can be dealbreakers.
What this means for you
What people love
- Thiamidol active effectively fades stubborn hyperpigmentation
- Absorbs quickly without sticky or heavy residue
- OTC alternative to stronger RX pigment treatments
Watch out for
- Strong fragrance often triggers irritation and redness
- Can cause barrier damage or itching in sensitive skin
- May not fully clear all hyperpigmentation for some users
Product details
Key Ingredients
Where to buy
Real Reddit threads — 29 mentions across 16 threads
Eucerin Radiant Tone Dual Serum on Reddit, in one place — 16 threads from r/tretinoin, r/30PlusSkinCare and 3 more, summarized.
“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
“I’m thinking of trying Eucerin Radiant Tone to treat it.”
Mentioned
“But I use the Eucerin Radiant Tone dual serum and then their night cream in the morning (to help with melasma).”
Positive
“If I'm planning on wiping off sunscreen midday and doing a second Eucerin Radiant Tone dual serum and sunscreen reapplication”
Positive
“Lately it was Eucerin radiant tone cause I switch off hydroquinoine and I'm trying to get my Melasma down.”
Positive
“I got rid of my most bothersome spots with 3x Tixel + Eucerin anti pigment dual serum.”
Positive
“Maintain with Eucerin anti pigment sunscreen”
Positive
“got rid of my most bothersome spots”
Positive
“Use Eucerin radiant tone dual serum with Thiamidol!”
Positive
“I learned about it in the melasma sub Reddit and it fully cleared my melasma”
Positive
“Sun damage, specifically melasma.”
Positive
“I use Eucerine's Radiant Tone Dual Serum too and it's making the pigmentation more even.”
Positive
“I've been doing at home microneedling and my chest has improved a lot.”
Positive
“I'm very thorough with sunscreen and it helps.”
Positive
