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Just want the basics
The three steps that carry almost all the benefit, what each one does, and when adding more is actually useful.
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3 articles
Does sunscreen actually prevent skin aging?
Not a marketing claim — a randomized trial followed people for four and a half years.
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Sunscreen myths, checked against the evidence
Reapply every two hours? SPF 50 versus 30? PA ratings and tinted formulas? Here's which sunscreen rules are real — and the one habit that actually earns its effort.
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Barrier repair 101: what it is, how it breaks, how it heals
Stinging moisturizer, sudden sensitivity, tight flaky skin — a lot of skincare trouble is a damaged barrier. Here's what that means in plain terms, and the boring routine that heals it.
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