topical absorption

Is a Spicule Serum Really Microneedling in a Bottle?

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applying spicule serum to skin

“Microneedling in a bottle” is the phrase that keeps showing up next to spicule serums, and it is a bold claim. No needles, no downtime, no appointment — just a serum that promises the same skin renewal you would get from an actual microneedling session. Some of that claim holds up under a closer look. … Read more

Does Magnesium Lotion Really Absorb Through Your Skin?

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applying magnesium lotion to leg for muscle relief

Magnesium oils and lotions are marketed as a way to get magnesium into your body without swallowing a pill. A peer-reviewed review of the science reached a blunt conclusion: the evidence for that claim is scientifically unsupported. Here’s what the research actually found, and whether that changes anything for the leg cramps or muscle aches … Read more