Shereene IdrissBoard Certified Derm, Founder and Chief Nerd

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30 Jan 2026 · 1 min

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Dr. Shereene Idriss explains why most over-the-counter arnica products don't work: they're homeopathically diluted (labeled 10x or 7x means weaker, not stronger). Look for formulas with actual arnica content, and pair it with massage for better results reducing swelling and bruising.

Questions this video answers

Shereene Idriss, a board-certified dermatologist.

They indicate homeopathic dilution levels — more dilute (i.e., less arnica present), not stronger.

Massaging bruises and applying arnica formulations with meaningful arnica content and a pleasant herbal/spa scent.

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I don't wanna be. We can take this a step further by adding arnica. Massaging your bruises can make a huge difference. But when you add arnica, you can take it to the next level and make that baby disappear like this. I'm a board certified dermatologist and ask any doctor. Arnica has been used for centuries to help to minimize the look of swelling and bruising. But here's something I didn't know until I started formulating my own arnica serum. And no, this is not a shameless plug for me. But when you find arnica over the counter, it's oftentimes looks like this. It is homeopathically formulated. What that means is that they dilute the arnica in the formula because they believe that if your skin gets a tiny little speck of it, it will remember how to heal itself. So when you see 10x or 7x, it's not 10x or 7x stronger, it's 10x or 7x more dilute. Meaning hardly any arnica is present. And therefore you want to find formulas that have a. A herbal scent, a fragrance. Not really a fragrance, it just smells. It smells like a spa. Enjoy.