A hydrating serum combining squalane and hyaluronic acid, designed to nourish and moisturize the skin.
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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 →Yay
Early verdict · Few reviews so farWhat the gurus are saying
This serum earns praise for its nourishing ingredient list and hydrating power. The catch is versatility: it shines as a portable hydration spray for travel or humid weather, but those seeking an everyday core serum may find it works better as a supporting player than a standalone workhorse. Patch-testing first helps you figure out where it fits best in your routine.
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.
A hydrating serum combining squalane and hyaluronic acid, designed to nourish and moisturize the skin.
Mostly yes. 1 of the 2 gurus who reviewed it give it their stamp of approval, for a Guru Score of 76%.
Biossance Squalane and Hyaluronic Acid Serum holds a Guru Score of 76%. That is our read on how warmly the experts talk about it, based on the verdicts of 2 expert reviewers we have collected.
Biossance Squalane and Hyaluronic Acid Serum is generally suited to dry skin and sensitive skin.
Lower-priced serums the gurus still rate highly, versus this mid-range pick.
See how they stack up →



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