Curls always add personality and character to the hair, and among its infinite styles there is one that has conquered social networks in recent times: the mermaid waves. This summer they came back strong, and the best thing is that autumn is not going to say goodbye to them.
If you’re an internet person, you’ve probably seen them everywhere. They have become the favorite hairstyle for those looking for a look casual as well as natural and stylish. How is it achieved? With a triple barrel griddle.

What are siren waves? This style is characterized by a soft and natural wave, similar to the effect left on the hair after sleeping with braids. Unlike the classic corkscrew, mermaid waves have a S shape or zigzag less marked. The result: a flowing, light mane with a finish reminiscent of mermaids, hence its name.
It is a look that has conquered the streets, the networks and even the famous ones. Celebrities like Laura Escanes, Blanca Suárez and Lola Índigo have already worn this type of waves.
5 in 1 tool: get different hairstyles
It stands out for its versatility: it incorporates a 25 mm triple barrel and another four interchangeable heads that allow you to obtain different finishes in a single device. It adapts to different types of curls, these are the measurements of each according to the desired result:
- For large curls: 32 mm.
- For medium curls: 25 mm.
- For medium or small curls: 13-25 mm.
- For small angel curls: 9 mm.

How to use?
The best thing is that it is very easy to use. To achieve a triple wave, it is recommended comb hair and divide it into sections before starting. Once the appropriate temperature has been selected, each strand is placed in the barrel and held for approximately eight seconds per passwithout exceeding ten seconds to protect hair health. The movement should be downward, from the roots to the tips, evenly.
The barrels have a tourmaline ceramic coatingwhich favors a smoother, shiny finish with less frizz.

The hair trend of the moment in networks
The siren waves have become protagonists of the digital universe when it comes to hair beauty. Thousands of videos with siren waves are dominating the algorithm.
Its popularity is not only reflected on networks, but also in the market: this iron has climbed to the top of the sales ranking on Amazon. With an average of 4.4 stars and more than 1,800 reviews, 71% of users give it the maximum score.
Among the most frequent comments, its excellent value for money and the results it provides, described as “perfect and spectacular waves.”
Mermaid Wave Straightener FAQ
What temperature is recommended based on hair density?
The tool is suitable for all hair types, as long as the temperature is adjusted appropriately. It has two levels: 150°C for fine hair and 210°C for medium to thick hair.
What does the product include?
The set consists of the main tool, five interchangeable heads, two fastening clips and a thermal protective glove.
Does it have automatic shutdown?
Yes. The device incorporates an automatic shutdown function after 60 minutes of inactivity.
[Recuerda que si eres usuario de Amazon Prime, todas las compras tienen gastos de envío gratuitos. Amazon ofrece un período de prueba gratuito y sin compromiso durante 30 días.]
*All purchase prices included in this article are current as of October 10, 2025.
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