Choosing a vitamin C serum without overpaying
Price rarely tracks effectiveness. The form, the concentration and the packaging do — and a £15 serum often beats a £45 one.
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Retinol for beginners: strengths & sensible brands
The single most-overpaid-on active. Start low, go slow, and learn which budget formulas genuinely work.
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Electric toothbrushes: what you're really paying for
The headline price is the small number. Replacement heads — and a lot of marketing — are the big one.
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Sunscreen decoded: SPF, UVA and the UK labels
SPF is only half the label. Here's how to read the half that actually protects against ageing.
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Cleansers: why you're probably overpaying
The one step that rinses straight off — so the "treatment" actives barely get a chance to work.
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Niacinamide: the cheap active that earns its place
Well-tolerated, well-evidenced and genuinely inexpensive — the premium versions are hard to justify.
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How to choose a moisturiser (and stop overpaying)
Three ingredient jobs, one simple goal — and very little link between price and how well it works.
Read the guideMore guides in the works — hair tools, IPL devices and fragrance value next.