Shereene Idriss argues hyaluronic acid doesn't deliver the hydration it promises. Low-molecular-weight versions can penetrate skin and worsen inflammation, causing redness, broken blood vessels, and more dehydration.
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If you like hyaluronic acid, you're lying to yourself or you've been brainwashed by the beauty industry because no matter how many hydrating products, your skin doesn't look like this. And no, I do not have a filter on. And the fact is, hyaluronic acid is not going to dry you out like a lot of people online are suggesting, but at a low molecular weight when it is really small and tiny and it can penetrate deep. I've noticed in my practice, clinically and anecdotally, that it can cause a worsening of inflammation of your skin barrier and you can be more red, you can be more prone to broken blood vessels, and you can appear more dehydrated.