All ingredient analyses
Every product analysis on the site, newest first — each one built from the manufacturer’s own published ingredient list with the date it was checked.
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Ingredient analysis
What CeraVe Moisturising Cream actually does
Three ceramides, cholesterol, a fatty acid and a lot of petrolatum. A look at which parts of the barrier-repair claim the ingredient list can support.
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Formulation science
Why pH decides whether a 2% BHA does anything
Two exfoliants can both say 2% salicylic acid and behave completely differently. The variable that separates them is pH — and almost no brand publishes it.
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Ingredient analysis
Does 10% niacinamide actually beat 5%?
The Ordinary's Niacinamide 10% + Zinc 1% sits above the concentration most published research covers. Here is what the formula does and where the evidence stops.
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Label analysis
What does 10% Matrixyl actually mean?
The number refers to a supplier's peptide blend, not to peptide content. A look at what is really in the bottle and how peptide evidence compares with retinoids.
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Evidence review
Red light therapy: what the evidence actually shows
What red and near-infrared light do to skin, which wavelengths the trials actually used, and how the Dr. Renú SpectraLift and CurrentBody Series 2 compare.
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Ingredient analysis
Is 0.2% retinol worth using at all?
An eight-ingredient anhydrous retinol serum at a concentration below most published trials. What the squalane base buys, and what 0.2% can realistically do.