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OIISA
OIISA (524 in Korean), a femtech brand from South Korea, offers sanitary-related products that promise comfort and zero discomfort throughout the 5 days and 24 hours of menstruation.
1
The ergonomic thinness and shape won the iF Design Award, the world's most prestigious design award. It is supervised by female experts from Seoul National University and other institutions, and the developers directly test the wearability.
2
The menstrual disc "524 disc" flexibly changes its shape according to the movement of the vaginal muscles. It minimizes pressure and discomfort when moving, and allows you to forget about menstruation and enjoy activities such as exercise.
3
It's easy to use. Fold it in half and insert it into the vagina. To remove it, just pull the hook. It can be used for up to 12 hours and can be reused simply by washing it with water, making it an economical and compact sanitary product.
Brand Owner
More about the Brand Owner
DEWEYLAB
デューイラボ
A Korean femtech startup company founded by female product designers, female marketers, and young people who are active in various fields such as femtech products and services, UX/UI design, etc. DEWEY is an acronym for "Design for Women, Empowering You" and embodies the company's vision of "exploring ways to enrich women's bodies and lives from the perspective of women's life cycles through design, and helping women to reach their full potential and abilities to restore women's rights and overcome gender inequality." We create new options for women with "fresh intuition" that designs sophisticated designs and "precise logic" that is highly sensitive to trends.
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Auto-translated
Period (period)
As a person with menstruation, a young Korean female designer has developed a new sanitary product that "makes you forget that you have your period" through trial and error. The brand name, which means 524 in Korean, has a vision of "being a strong ally for forgetting the worries of menstruation for 5 days and 24 hours during menstruation."
In particular, the brand's flagship product, 524 Disc, is attracting attention as a sanitary product that combines the youthful sensibilities unique to Generation Z with an awareness of social movements to reduce women's inequality caused by menstruation (period poverty and delayed women's participation in society) and realize a sustainable planet.
In 2017, when OIISA was first developed, there was an incident in China and South Korea in which carcinogenic volatile organic compounds (VOCs) were detected on sanitary napkins that involved a class-action lawsuit involving more than 5,500 people. The incident led the team members of DEWEYLAB to be suspicious of existing disposable sanitary products such as napkins and became interested in reusable "menstrual cups".
However, although the menstrual cup was a very good product, I realized that it was a sanitary product that was difficult to spread because of "difficulty in insertion", "anxiety about inserting into the vagina", "pressure and discomfort in the vagina", "difficulty in choosing the size", and "resistance in hygiene and safety".
Therefore, while touching the various shapes and types of menstrual cups in the world, I realized that the "Menstrual Disc" can overcome these shortcomings. DEWEYLAB analyzed overseas menstrual discs and developed a new menstrual disc for Asians that maximizes "wearability" and "ease of use" while implementing the advantages of the disc type as it is.
Please try a new sanitary product that is both hygienic and reusable "consideration for the environment and the human body" and "women's perspective" that does not feel uncomfortable and easy to use.
What are we doing?
Welcome to a world without bumps!
When it comes to menstruation, it is physically and mentally painful and unmotivating. Use the 524 disc to say goodbye to those days. We invite you to the world of menstrual discs where you can live as lively as you do every day. "I can't do my job well at work because I'm on my period" or "I can't get into the water or exercise because I'm on my period" -- with the four zeros that 524 disc promises, you can easily solve such problems.
(1) Discomfort 0
The 524 disc is fixed in a slightly concave area called the "vaginal fornix" around the cervix, where there is relatively little nerve distribution. In addition, the material of the 524 disc is thin and soft, so it flexibly changes shape according to the movement of the vaginal muscles, and there is no unpleasant elasticity that interferes with the movement of the muscles.
Therefore, even if you wear it, you will not feel worn it, and you can spend your time without discomfort or discomfort.
(2) Menstrual blood leakage 0
The 524 disc has a structure that stores menstrual blood while wrapping around the cervix itself, where menstrual blood comes out, so that menstrual blood can be caught without leaking. What's more, you don't have to worry about getting your hands dirty with a take-out hook. It takes some tricks to get used to using it, but once you get used to it, there will be no leakage of menstrual blood!
(3) Difficulty: 0
Insertion is surprisingly easy. Just fold it in half so that you can put the blood pocket part inside and insert it into the vagina as it is! Even beginners in menstrual cups can easily insert them, so it is recommended for introductory use.
Since it can be removed simply by pulling the removal hook, there is less pain during removal, and there is no need to worry about not being able to take it out of the body.
If you boil and disinfect regularly, you can easily manage it because you can wash it with bottled water during your menstrual period.
(4) 0 compromises
Since it is something that is put into the body, it does not compromise on the manufacturing process. It is manufactured using medical silicone from Barker GmbH (WACKER), one of the world's three largest silicon manufacturers, under clean room equipment and thorough hygiene management.
Commitment to the product
The beginning of menstruation that is no different from every day
OIISA offers sanitary products to help women pass their periods without discomfort. With a unique design by a group of outstanding Korean designers, you can deal with menstruation simply, efficiently and economically.
[524 discs]
In order to be able to spend the same day as every day on the day of menstruation, DEWEYLAB's female designers have personally developed the "menstrual disc" over the course of three years. While exchanging a wide range of opinions with female specialists and nursing teachers, we have made hundreds of prototypes and tested them on the wear, the convenience of insertion and removal, the capacity, and the degree of leakage, and have repeatedly corrected them.
In order to be able to collect menstrual blood stably, it is subjected to a "wrinkle" process that is appropriately bent by the muscles of the vagina. In addition, in order to minimize discomfort during insertion, the thickness is reduced as it reaches the bottom part that hits the vaginal muscles, and the removal hook is made as soft and thin as possible.
In addition, conventional menstrual cups have the inconvenience of using two fingers, which makes it easy to get your hands dirty, so the 524 disc is removable with one finger.
This sophisticated design that pursues the user's perspective has won global design awards, including the iF Design Award (Germany), the world's most prestigious design award, in the Professional category, and the CAI (Chinese Institute of Invention) Award, a gold award in China. The comfort of forgetting that you are wearing a 524 disc and eventually forgetting that you are on your period is perfect for women who want to spend their period stress-free.
Hooks, materials, shapes, etc., discomfort, menstrual blood leakage, difficulty, compromise 0. It is convenient to carry and process without the need for a sanitary box, so it will greatly change your menstrual period. Get your 524 disc now and feel comfortable during your period.
Who are supporting us?
The 524 disc received 301,500 yen from 67 people at READYFOR. Currently, we are developing it in our own e-commerce. Among those who supported us were not only women suffering from menstruation, but also men who were interested in solving global issues such as the SDGs. All of them have a strong desire to "increase the number of options for women's bodies" and agree to spread this sanitary product.
We were also introduced by well-known female experts, athletes, intellectuals, and activists, such as Ichika Takimoto of the Association for the Promotion of Japan Sexual Knowledge, Kaisuke Kashiwano, a women's soccer player from Matchamore Kyoto Yamashiro, Ai Yamada, an Australian women's professional basketball player, Aki Kuma, the head of Earth Rhythm, and Satomi Toda, a female entrepreneur.
For example, it is perfect for the following people.
(1) People living in "period poverty" who are unable to purchase sanitary products due to economic reasons (SDGs 1 and 3)
The hygienic and reusable 524 disc saves you about two years' worth of sanitary products.
(2) Those who are aware of the global environment (SDGs 12 and 14)
It is estimated that women who use napkins consume the equivalent of 36,000 to 38,400 plastic bags in their lifetime. On the other hand, 524 discs are reusable and highly recyclable, making them "eco-friendly" and sustainable sanitary products, which contribute to maintaining a beautiful planet.
(3) Energetic working women and athletes (SDGs 5.12)
In fact, in the world of sports and work, women are often neglected or underestimated because of their periods.
The 524 disc has less worry about leakage, can be used for 12 hours continuously, and does not feel uncomfortable to wear, so you can forget about your period and work or play sports. OIISA provides a society in which women continue to shine so that working women and female athletes can envision their careers in high definition.
All products
There are no products available for display
Products
All products
There are no products available for display
OIISA
OIISA (524 in Korean), a femtech brand from South Korea, offers sanitary-related products that promise comfort and zero discomfort throughout the 5 days and 24 hours of menstruation.
1
The ergonomic thinness and shape won the iF Design Award, the world's most prestigious design award. It is supervised by female experts from Seoul National University and other institutions, and the developers directly test the wearability.
2
The menstrual disc "524 disc" flexibly changes its shape according to the movement of the vaginal muscles. It minimizes pressure and discomfort when moving, and allows you to forget about menstruation and enjoy activities such as exercise.
3
It's easy to use. Fold it in half and insert it into the vagina. To remove it, just pull the hook. It can be used for up to 12 hours and can be reused simply by washing it with water, making it an economical and compact sanitary product.
Brand Owner
More about the Brand Owner
DEWEYLAB
デューイラボ
A Korean femtech startup company founded by female product designers, female marketers, and young people who are active in various fields such as femtech products and services, UX/UI design, etc. DEWEY is an acronym for "Design for Women, Empowering You" and embodies the company's vision of "exploring ways to enrich women's bodies and lives from the perspective of women's life cycles through design, and helping women to reach their full potential and abilities to restore women's rights and overcome gender inequality." We create new options for women with "fresh intuition" that designs sophisticated designs and "precise logic" that is highly sensitive to trends.
Read More
Learn more about this brand
Why are we doing?
What are we doing?
Commitment to the product
Who are supporting us?
Why are we doing?
Auto-translated
Period (period)
As a person with menstruation, a young Korean female designer has developed a new sanitary product that "makes you forget that you have your period" through trial and error. The brand name, which means 524 in Korean, has a vision of "being a strong ally for forgetting the worries of menstruation for 5 days and 24 hours during menstruation."
In particular, the brand's flagship product, 524 Disc, is attracting attention as a sanitary product that combines the youthful sensibilities unique to Generation Z with an awareness of social movements to reduce women's inequality caused by menstruation (period poverty and delayed women's participation in society) and realize a sustainable planet.
In 2017, when OIISA was first developed, there was an incident in China and South Korea in which carcinogenic volatile organic compounds (VOCs) were detected on sanitary napkins that involved a class-action lawsuit involving more than 5,500 people. The incident led the team members of DEWEYLAB to be suspicious of existing disposable sanitary products such as napkins and became interested in reusable "menstrual cups".
However, although the menstrual cup was a very good product, I realized that it was a sanitary product that was difficult to spread because of "difficulty in insertion", "anxiety about inserting into the vagina", "pressure and discomfort in the vagina", "difficulty in choosing the size", and "resistance in hygiene and safety".
Therefore, while touching the various shapes and types of menstrual cups in the world, I realized that the "Menstrual Disc" can overcome these shortcomings. DEWEYLAB analyzed overseas menstrual discs and developed a new menstrual disc for Asians that maximizes "wearability" and "ease of use" while implementing the advantages of the disc type as it is.
Please try a new sanitary product that is both hygienic and reusable "consideration for the environment and the human body" and "women's perspective" that does not feel uncomfortable and easy to use.
What are we doing?
Welcome to a world without bumps!
When it comes to menstruation, it is physically and mentally painful and unmotivating. Use the 524 disc to say goodbye to those days. We invite you to the world of menstrual discs where you can live as lively as you do every day. "I can't do my job well at work because I'm on my period" or "I can't get into the water or exercise because I'm on my period" -- with the four zeros that 524 disc promises, you can easily solve such problems.
(1) Discomfort 0
The 524 disc is fixed in a slightly concave area called the "vaginal fornix" around the cervix, where there is relatively little nerve distribution. In addition, the material of the 524 disc is thin and soft, so it flexibly changes shape according to the movement of the vaginal muscles, and there is no unpleasant elasticity that interferes with the movement of the muscles.
Therefore, even if you wear it, you will not feel worn it, and you can spend your time without discomfort or discomfort.
(2) Menstrual blood leakage 0
The 524 disc has a structure that stores menstrual blood while wrapping around the cervix itself, where menstrual blood comes out, so that menstrual blood can be caught without leaking. What's more, you don't have to worry about getting your hands dirty with a take-out hook. It takes some tricks to get used to using it, but once you get used to it, there will be no leakage of menstrual blood!
(3) Difficulty: 0
Insertion is surprisingly easy. Just fold it in half so that you can put the blood pocket part inside and insert it into the vagina as it is! Even beginners in menstrual cups can easily insert them, so it is recommended for introductory use.
Since it can be removed simply by pulling the removal hook, there is less pain during removal, and there is no need to worry about not being able to take it out of the body.
If you boil and disinfect regularly, you can easily manage it because you can wash it with bottled water during your menstrual period.
(4) 0 compromises
Since it is something that is put into the body, it does not compromise on the manufacturing process. It is manufactured using medical silicone from Barker GmbH (WACKER), one of the world's three largest silicon manufacturers, under clean room equipment and thorough hygiene management.
Commitment to the product
The beginning of menstruation that is no different from every day
OIISA offers sanitary products to help women pass their periods without discomfort. With a unique design by a group of outstanding Korean designers, you can deal with menstruation simply, efficiently and economically.
[524 discs]
In order to be able to spend the same day as every day on the day of menstruation, DEWEYLAB's female designers have personally developed the "menstrual disc" over the course of three years. While exchanging a wide range of opinions with female specialists and nursing teachers, we have made hundreds of prototypes and tested them on the wear, the convenience of insertion and removal, the capacity, and the degree of leakage, and have repeatedly corrected them.
In order to be able to collect menstrual blood stably, it is subjected to a "wrinkle" process that is appropriately bent by the muscles of the vagina. In addition, in order to minimize discomfort during insertion, the thickness is reduced as it reaches the bottom part that hits the vaginal muscles, and the removal hook is made as soft and thin as possible.
In addition, conventional menstrual cups have the inconvenience of using two fingers, which makes it easy to get your hands dirty, so the 524 disc is removable with one finger.
This sophisticated design that pursues the user's perspective has won global design awards, including the iF Design Award (Germany), the world's most prestigious design award, in the Professional category, and the CAI (Chinese Institute of Invention) Award, a gold award in China. The comfort of forgetting that you are wearing a 524 disc and eventually forgetting that you are on your period is perfect for women who want to spend their period stress-free.
Hooks, materials, shapes, etc., discomfort, menstrual blood leakage, difficulty, compromise 0. It is convenient to carry and process without the need for a sanitary box, so it will greatly change your menstrual period. Get your 524 disc now and feel comfortable during your period.
Who are supporting us?
The 524 disc received 301,500 yen from 67 people at READYFOR. Currently, we are developing it in our own e-commerce. Among those who supported us were not only women suffering from menstruation, but also men who were interested in solving global issues such as the SDGs. All of them have a strong desire to "increase the number of options for women's bodies" and agree to spread this sanitary product.
We were also introduced by well-known female experts, athletes, intellectuals, and activists, such as Ichika Takimoto of the Association for the Promotion of Japan Sexual Knowledge, Kaisuke Kashiwano, a women's soccer player from Matchamore Kyoto Yamashiro, Ai Yamada, an Australian women's professional basketball player, Aki Kuma, the head of Earth Rhythm, and Satomi Toda, a female entrepreneur.
For example, it is perfect for the following people.
(1) People living in "period poverty" who are unable to purchase sanitary products due to economic reasons (SDGs 1 and 3)
The hygienic and reusable 524 disc saves you about two years' worth of sanitary products.
(2) Those who are aware of the global environment (SDGs 12 and 14)
It is estimated that women who use napkins consume the equivalent of 36,000 to 38,400 plastic bags in their lifetime. On the other hand, 524 discs are reusable and highly recyclable, making them "eco-friendly" and sustainable sanitary products, which contribute to maintaining a beautiful planet.
(3) Energetic working women and athletes (SDGs 5.12)
In fact, in the world of sports and work, women are often neglected or underestimated because of their periods.
The 524 disc has less worry about leakage, can be used for 12 hours continuously, and does not feel uncomfortable to wear, so you can forget about your period and work or play sports. OIISA provides a society in which women continue to shine so that working women and female athletes can envision their careers in high definition.
All products
There are no products available for display
Products
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