[DIY] I tested this out so you wouldn't have to: putting hyaluronic acid powder in my bathwater

I’d rate the experience a 5/10. I’ll likely purchase it again, provided no one tells me I’m courting a health disaster.

I read that just a tiny bit of powder can absorb a massive volume of water to create an HA moisturizer, which made me wonder… why not try an HA bath? I’m a fan of baths, but they can be drying. I’ve tried adding oils in the past, but they just leave the tub slippery.

The outcome:

  1. The powder is pricey, but since high-end bath bombs are around $13 these days, it’s a wash.
  2. It clumps just like gelatin, making it a real chore to actually dissolve it in the water.
  3. PRO: If you manage to dissolve enough, it really works—my skin felt hydrated.
  4. I might have gotten HA in some unintended areas.
  5. The water doesn’t become a gel, but you can definitely sense a texture change after mixing a lot in, and it feels nice.

Overall, it’s probably more effort than most people care for. However, it does transform the bath into a lovely, hydrating experience.

I’d love to see bath bomb or powder brands start incorporating HA. If it weren’t just the pure powder, it probably wouldn’t clump as badly. I’m not sure about the science, but if it works in a bath bomb, it would be revolutionary.

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Speaking as a DIY enthusiast, I’d mostly advise against this except for experimental purposes. HA can take several hours to fully hydrate; sifting it into the water might speed things up. A more efficient method would be to sprinkle it into some water, use an immersion blender, and then pour that mixture into the tub. However, HA is most effective as a leave-on treatment, like most humectants, so using it this way is somewhat wasteful. If you’re set on trying it, consider using Sodium PCA, sorbitol, or another non-sticky humectant instead.

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Could this cause issues for sensitive areas down there? I’m curious about giving it a go.

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This brings to mind that video of the guy in France who filled his tub with gel beads, only to have them start popping up in his toilet and sink…

My immediate thought was about your pipes. Seriously, everyone should make sure their insurance policies are current.

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