An oil-based retinol serum containing 0.5% retinol in squalane, designed to improve skin texture, reduce fine lines, and support collagen production.
Squalane, Caprylic/Capric Triglyceride, Simmondsia Chinensis (Jojoba) Seed Oil, Retinol 0.5%, Solanum Lycopersicum (Tomato) Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Hydroxymethoxyphenyl Decanone, BHT
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
8 experts · Strong agreementWhat the gurus are saying
The packaging and potency create real friction here. The open-air dropper bottle lets heat and light degrade retinol quickly, which matters most in warm climates or without constant refrigeration. The 0.5% concentration sits awkwardly in the middle: strong enough to irritate beginners, yet now restricted to 0.3% maximum in the EU and UK, so reformulation is coming. Those new to retinol or with sensitive skin may find it irritating without easing in gradually (start a few times a week, not daily), while people already using tretinoin or those with oily skin tolerate it better. The squalane base does cushion irritation, but gurus split on whether the formulation itself feels greasy and whether that much retinol delivers real benefit at all, and the product has since been discontinued in favor of the brand's retinol emulsion.
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.
Retinoids are among the best studied ingredients in dermatology, with solid evidence for acne and for the fine lines and rough texture that come from sun exposure. Dryness and flaking in the first few weeks are common and usually settle.
Source: DermNet
Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.
Source: DermNet
An oil-based retinol serum containing 0.5% retinol in squalane, designed to improve skin texture, reduce fine lines, and support collagen production.
The gurus are split. 4 of the 8 gurus give it their stamp of approval while 2 would skip it, which lands it in the middle at a Guru Score of 61%.
The Ordinary Retinol 0.5% in Squalane holds a Guru Score of 61%. That is our read on how warmly the experts talk about it, based on the verdicts of 8 expert reviewers we have collected.
The Ordinary Retinol 0.5% in Squalane is generally suited to mature skin.
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