What happens if you swim in the Blue Lagoon?

As a geothermal power plant there are no health concerns from bathing in the discharge of the thermal aquifers. In fact, the spa promotes the therapeutic and healing qualities of the brine. What few people discuss are the other effects of the salty mineral water on clothes and hair.



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The Blue Lagoon water has high levels of silica. Silica is not harmful to hair. However, if you get your hair wet from the water, it can become stiff and difficult to manage.

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The seawater in the Blue Lagoon has high levels of silica. Silica is not harmful to hair. However, if your hair gets wet, it can become stiff and difficult to manage. Therefore, we recommend that you apply conditioner to your hair before entering the lagoon--and leave it in your hair while in the lagoon.

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Unlike boring old regular geothermal water, the composition of the Blue Lagoon is unique—you won't find it anywhere else in the world. It's home to a couple of algae plants also not known to exist elsewhere. This combination has been found to have a number of proven beneficial effects on skin.

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Do you shower after the Blue Lagoon? Yes, you should shower before and after your stay at the lagoon. Guests are required to shower, without their swimsuit, prior to using the geothermal spa. Simply use the showers and soaps available in the changing rooms.

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Blue Lagoon – History It is not a natural hot spring – in fact, the water within is wastewater from the power plant! While at first glance this may put you off, it should be noted that the water in the Blue Lagoon is completely safe and contains only natural minerals.

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However, in hindsight, you can actually do the whole thing privately. You can take your bathing suit and towel into the private shower stall with you and hang them over the curtain. Get dressed when you're done and then take your clothes back to the locker area.

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Effects of Blue Lagoon Water According to Icelandic dermatologist Jenna Huld Eysteinsdottir, research on the effects of the Blue Lagoon's algae and silica on skin cells showed an increase in the genes that prevent skin aging.

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However, unlike some naturally occurring hot pools the Blue Lagoon is self-cleaning with nine million litres renewed by the aquifers every 40 hours. The pool is checked regularly by the spa for “foreign bacteria” and waterborne diseases, which are a risk in other geothermal pools including in New Zealand.

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There are instructions on the locker door as well. It is recommended that you leave all your jewelry and watches in the locker and the water might cause some damage to them. After having fun with the locker, you will need to shower before going into the lagoon. It is compulsory to shower and wash with soap.

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We recommend that you remove any jewelry (rings, necklaces, bracelets, etc.) before entering the lagoon. This will ensure that you don't lose your items and that they don't get damaged by geothermal seawater which has high levels of silica, algae, and minerals.

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The Blue Lagoon offers a variety of day visit, overnight accommodation and dining options.

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SAFETY STANDARDS
  • Minimum age for using the lagoon is 2 years old. ...
  • Children 2-8 years of age must wear inflatable armbands. ...
  • Those unable to swim must notify staff. ...
  • Excessive intoxication is prohibited. ...
  • Wash without swimsuit before entering the lagoon. ...
  • No smoking. ...
  • No diving.


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You are welcome to bring your own towel, robe or slippers. However, towels are included in all packages, so there is no need to bring it with you.

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Most people spend between two and three hours at the Blue Lagoon, but if you want to take advantage of all the facilities you can spend longer. You'll need to bring your own swimwear, and towels can be rented (or are included in a Reykjavik Excursions Blue Lagoon trip).

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“Can you leave and come back in the same day?” If you stay in their hotel you can. Or you Just want to get out of the pool to eat at the restaurant, you can leave for a few hours and go back.

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make sure to remove your jewellery & contact lenses. Wear sunscreen & sunglasses. Stay hydrated. Remember to shower before and after getting into the Blue Lagoon.

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- Blue Lagoon. “Sounds like a weird question, but is there fish in the water at blue lagoon?” Nope, no fish.

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