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Dermatologist: Is Thiamidol Worth It or Overhyped?

Dr. Sarah Sheu

20,592 views

#melasmatreatment #dermatologistskincare #darkspotcorrector

Can Thiamidol actually help melasma, dark spots, and hyperpigmentation? Or is it just another overhyped brightening ingredient?

In this video, I break down what Thiamidol is, how it works, and what the actual studies show for melasma, sun spots, and facial discoloration.

Thiamidol is in:
Eucerin Anti-Pigment
Eucerin Radiant Tone
Nivea Luminous 630

I’m Dr. Sarah Sheu, a Stanford-trained dermatologist in the U.S., and in this video I’m walking you through the science behind Thiamidol, including:

how it compares to older brightening ingredients like hydroquinone
why many pigment ingredients were originally tested the wrong way
what the melasma studies actually showed
whether Eucerin Radiant Tone products are worth trying
what we know (and don’t know) about the
actual concentration of thiamidol in skincare products
possible side effects, including allergic contact dermatitis

If you’ve been trying to treat melasma, post-inflammatory hyperpigmentation (PIH), sun spots, or uneven skin tone, this video will help you understand what thiamidol can realistically do and where its limits are.

20 Comments

@oscardog6719 6 months ago

I’ve just finished my first bottle of the serum, and because I could see a marked reduction in the colour of my discoloured spots, I’ve just reordered. I only apply it on those spots at night and living in Australia, put on sunscreen throughout the day. I don’t notice the smell that I’ve heard others talk about. Lucky me 😃🇦🇺

@mimiluu7149 4 months ago

I’m so glad I found your channel! Non biased and full transparency, I love that ! Thank you so much!

@LazeLizzie 6 months ago (edited)

Thiamidol does work but you need to use it for a long time to see better results especially for melasma. For deep spots it may take even longer but at least it helps to stop more pigments from forming. I continue to use spot serum only (not the moisturizer or sunscreen with thiamidol) to keep the spots at bay. I also use Nivea Luminous brand which also has thiamidol because it's cheaper.

I also try melaysl in the day time but I think thiamidol works better for me. So I apply Melasyl with thiamidol sometimes.

You don't need to use the whole range the spot serum is good enough. The whole range may make your skin more sensitive so for me who have history of eczema on my skin I only use the spot serum 2 times a day.

@mbg3871 6 months ago

Agree, the scent is way too strong to me

@antonioricardo6004 1 month ago

I will try this .

@crucitasquillace5072 4 months ago

Thanks for this video. It kept me from buying the sunscreen. I actually used the serum and night cream from this line and I did like it EXCEPT THE FRAGRANCE. Thank you for doing this.

@timothycreech2488 6 days ago

Thanks!

@Andreigrindan 6 months ago

I love these ingredient review videos! There are always new ingredients hitting the market, and I learn so much from your channel, thank you! 🤍 I wish companies wouldn’t go so overboard with fragrance in their products; aside from aromatherapy, it doesn’t really offer any real benefits.

@nubcake7637 5 months ago

Thanks for always making these videos.

@Looking4MyUnicorn 6 months ago

Thank you for the thorough breakdown and weeding through all those studies! I am particularly impressed by how you were able to infer the amount of thiamadol in the products from that case study 😂.

I want to try the serum but don’t think I can tolerate the fragrance. I tried the eye cream as a spot treatment all over because it is not fragranced but no way to know how much is in there. I’m considering the new EADEM dark spot treatment next since the Sephora sale is coming up. It’s so hard

@keaka 3 months ago

Came here for the Radiant Tone review, did not expect a surprise Felix sighting! 😍

@EVA-U01 6 months ago

Thanks for the detailed overview of Thiamidol! It's retailing for around aud62 and will be something efficacious I can recommend to my mother. She's currently using the COSRX The Alpha-Arbutin 2 Discoloration Care Serum which has niacinamide 5%; alpha arbutin 2%; tranexamic acid 3% formulated with supporting ingredients like n-acetylglucosamine 2% and ferulic acid. This serum I feel is no slouch given its value at aud25 for 50ml!

@energycollector7821 5 months ago

so i get that they fade spots or melasma long as we use them. but if we stop using them does it come back worse than it was?? because there was one review that mentioned this

@elin_ 1 month ago

Why do they always have to squeeze in fragrance in everything!? Not everything has to have a scent 💀

@Joanna_Cho 3 weeks ago

I trust your review and the professional opinion. Have you heard about NAD+ skincare named Aramore?

@piazurwiesch6079 5 months ago

I really love your videos (PhD pharmacologist). Can you say something about thiamidol before/after lasers as a prevention of hyperpigmentation?

@sunlightsonate 6 months ago (edited)

it's overhyped! been using for 3 months! didn't do anything good to my dark spots and melasma!

@ashbunny2645 2 months ago

I've been watching a lot of your videos and love your balanced insights into products/ treatments ❤ I'm particularly interested in this vid because i recently purchased a Eucerin product containing thiamidol (eucerin spf50+ pigment control in the UK)

It was ordered online then returned right away because on reading the directions, it specifies the product should NOT be applied more frequently than four times a day? Which to me, for a sunscreen is not suitable. Sadly, returned it without opening so can't comment on the smell or if it's unscented!

@suwichasia4230 6 months ago

Thank you

@Nusratrahman03 5 months ago

I have huge tanning on my face. My face is competitively darker than my body.plz give me some suggestions. I used Alfa arbutin, vitamin c .but I have seen no results currently I am using Cetaphil moisturizer and face wash and la Roche posey sunscreen. Am just 19 but very much depressed about the tanning