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Facetheory Exaglow S10 Serum.
Guru Score
The Guru Score: every expert's verdict on a product, in one simple number.
Yay · 75%+
Mixed · 55 to 74%
Nay · under 55%
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 →82%
Yay
!
What the gurus are saying
This serum earns consistent praise for fast visible brightening, especially on stubborn hyperpigmentation and uneven tone. The lightweight texture makes it easy to layer, and the fragrance-free formula with multiple brightening actives (tranexamic acid, licorice, and lactic acid) means it works without irritation, even for those with sensitive skin or already using other treatments.
What they liked
- Lightweight texture, layers well
- Fragrance-free
- Quick visible results
What they flagged
Nothing. None of the experts who reviewed it raised a problem.
Best for
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