A lightweight serum containing niacinamide, tranexamic acid, and kojic acid, designed to address discoloration and uneven skin tone.
Aqua/Water, Butylene Glycol, Niacinamide, Hydroxyethylpiperazine Ethane Sulfonic Acid, Glycerin, Hydroxyethyl Urea, Propylene Glycol, Tranexamic Acid, Phenoxyethanol, Caprylyl Glycol, Allantoin, Chlorphenesin, Xanthan Gum, Disodium EDTA
Guru Score
The Guru Score: every expert's verdict on a product, in one simple number.
Under the score you'll see how many experts weighed in, or "Early verdict" while only a few have. Paid takes count for half in the score.
Guru Certified means at least 6 experts, a score of 85% or more, and almost no Nays.
How we score →Mixed
7 experts · Strong agreementWhat the gurus are saying
This serum earns consistent praise for its ability to brighten dark spots and work well alongside other products, especially after laser treatments, though experts sharply divide on whether the price justifies what's inside. Those with sensitive skin appreciate that it does not sting and layers seamlessly under moisturizers and makeup. The real split: most gurus rank it as an effective option, but several note that comparable formulas exist for far less, and at nearly $100 per bottle, you are largely paying for the SkinCeuticals name.
What they liked
What they flagged
Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.
Independent of what the gurus think, this is what the published research supports about the main active ingredients here.
Niacinamide has evidence behind it for redness, uneven tone and supporting the skin barrier, and it is usually well tolerated even by skin that reacts to most things.
Source: DermNet
Tranexamic acid has a growing body of clinical evidence for melasma and the stubborn patches of pigment that other ingredients struggle with.
Source: DermNet
Urea both holds water in the skin and gently loosens dead surface cells. At higher strengths it has good evidence for very dry or thickened skin.
Source: DermNet
A lightweight serum containing niacinamide, tranexamic acid, and kojic acid, designed to address discoloration and uneven skin tone.
The gurus mostly approve it, but with enough reservations to keep it in the middle at a Guru Score of 71%.
SkinCeuticals Discoloration Defense holds a Guru Score of 71%. That is our read on how warmly the experts talk about it, based on the verdicts of 7 expert reviewers we have collected.
Lower-priced products in the same category that the experts still rate highly.
See how they stack up →Other products the same gurus have weighed in on, plus more from this brand and category.
Compare side by side →Stories where our editors dug into this product or its brand.
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