ii-mono Honpo Co., Ltd. (Headquarters: 184-4 Fujikawa, Tamamura-machi, Sawa-gun, Gunma Prefecture, Representative Director: Nobuaki Kataoka) has launched six new products in response to customer requests for its "Hieteru" series, which has sold over 600,000 units cumulatively and is highly popular. Through new initiatives such as exhibiting at the "Heatstroke Countermeasures Exhibition," held for the first time in Osaka on a scale described as "Kansai's largest," and participating for the first time in initiatives for children's heatstroke prevention, we are expanding our reach to schools nationwide and introducing our products to sporting goods stores, thereby broadening our sales channels like never before.

"Hieteru" Series

Hieteru

Exhibited at the "Heatstroke Countermeasures Exhibition," Osaka's First Event on a "Kansai's Largest" Scale

We exhibited at the "Heatstroke Countermeasures Exhibition" held at INTEX Osaka from April 15 (Wed) to 17 (Fri), 2026. The Heatstroke Countermeasures Exhibition was highly anticipated prior to its opening, being the first event of its kind in Osaka and described as "Kansai's largest" in scale.

As heatstroke countermeasures became mandatory for companies last year, we welcomed many visitors, including company representatives who are striving to improve their workplace environments, whom we don't usually meet at other exhibitions, and retailers from the western Japan area, as this event was held in western Japan.

We received many voices expressing a desire to introduce "Hieteru," which offers a wide range of large-capacity products.

This exhibition led to many encounters that will connect us to new sales channels, such as introducing our products to sporting goods stores nationwide, which we had not done before.

Going forward, ii-mono Honpo will continue to expand the product lineup of the "Hieteru" series, which "cools without power" and comes in large capacities.

We will continue to support heatstroke countermeasures for companies and businesses,

and actively pursue sales activities in new channels.

Heatstroke Countermeasures Exhibition

Participated in "Save Our Kids," an initiative to protect children from heatstroke

"Save Our Kids" is an initiative that protects children from heatstroke through seminars on heatstroke countermeasures and information provision about heatstroke.

https://saveourkids.jp/

As an official supporter, ii-mono Honpo participated for the first time this year and introduced heat countermeasures products to 3,000 schools nationwide.

Heat Countermeasures Product Introduction Flyer

Heatstroke countermeasures are essential not only at home but also at school.

The record-breaking heatwaves in recent years, and the heat in classrooms and on sports fields, have surpassed what can be overcome by "grit" or "endurance." We believe that preventing health damage to children is the top priority.

To protect children's confidence and smiles, and to protect their safe environment,

ii-mono Honpo aims to be a partner in protecting their healthy growth.

We support a future where children can run around energetically during the summer.

Save Our Kids

"Suusuu Shampoo for the Whole Body Hieteru" Pre-sale on Makuake Achieves Goal in 12 Hours!

We conducted a project for the pre-sale of our new product, the "Suusuu Shampoo for the Whole Body Hieteru," a cool shampoo for hair and body that provides a refreshing sensation, on "Makuake," a crowdfunding service for new products and experiences, from May 31 (Sun) to June 29 (Mon), 2026. The target amount was exceeded within 12 hours of launch, ultimately achieving a significant 221% of the goal.

Refreshing Sensation for Hair and Body: "Suusuu Shampoo for the Whole Body Hieteru"

Makuake Project Page: https://www.makuake.com/project/hietemasu/

Makuake "Suusuu Shampoo for the Whole Body Hieteru"

▼ Development Background of "Suusuu Shampoo for the Whole Body Hieteru"

We have delivered products such as extra-large wet wipes and instant cooling packs, as well as cooling sprays for clothing, which are often used after feeling hot outdoors.

Could we create a product to make the summer season more comfortable?

If we could take measures not only after sweating but also before going out,

wouldn't that make the summer season more comfortable?

We received many comments about wanting to finish summer baths quickly because they are too hot, and about sweating after baths due to the heat. Therefore,

we focused on countermeasures for heat during and after bathing, when people often feel hot at home, and started developing a shampoo product.

Refreshing cool finish! Complete care for hair and body with one product!

▼ Three Features of "Suusuu Shampoo for the Whole Body Hieteru"

1. Maintains a Cool and Refreshing Sensation

→ A special double formulation of the cooling ingredient "menthol" and a cooling support ingredient maintains a cool and refreshing sensation. We created numerous sample formulations with a focus on achieving a strong cooling sensation, considering the effects on the skin, the feeling after washing, and importantly, the cooling sensation after bathing to ensure comfort when going out on hot summer days.

2. All-in-One Shampoo for Hair and Body!

→ This is an all-in-one cool shampoo that can be used for both hair and body.

Given the many requests for "wanting to finish summer baths quickly because they are too hot,"

we decided to develop an all-in-one cool shampoo that can be used for everything.

Since it can wash the entire body with one product, it saves time and allows for a quick bath.

3. Individually Packaged for Easy Portability

→ When thinking of shampoo for home use, people usually imagine a bottle.

To allow use in bathing situations outside the home, such as during trips, business trips, or at the gym or sauna,

we deliberately made "Suusuu Shampoo for the Whole Body Hieteru" individually packaged.

With this one product, you can experience a cool and refreshing sensation anywhere, as it can wash both hair and body.

Maintains a cool and refreshing sensation with "menthol" and a special formulation

Suusuu Shampoo for the Whole Body Hieteru 15ml, 5 sachets

Product Overview

JAN Code: 4589596696140

Product Name: Suusuu Shampoo for the Whole Body Hieteru, 15ml x 5 sachets

Contents: 15ml x 5 sachets

Country of Manufacture: Japan

Product Category: Cosmetics

Ingredients: Water, Olefin (C14-16) Sulfonate Na, Cocamidopropyl Betaine, Lauryl Betaine, Menthol, BG, Sodium Hyaluronate, Eucalyptus Leaf Extract, Tea Leaf Extract, Polyquaternium-10, Silver, Bis-Ethoxy Diglycol Cyclohexane-1,4-Dicarboxylate, Phytosterols, Ceramide NG, Ceramide AP, Ceramide AG, Ceramide NP, Ceramide EOP, Sodium Chloride, Calcium Phosphate, PEG-120 Methyl Glucose Triisostearate, Cocamide Methyl MEA, Sodium Cocoyl Methyl Taurate, Cocamide DEA, Polysorbate 20, Hydrogenated Lecithin, DPG, Citric Acid, Sodium Citrate, Sodium Hydroxide, Tocopherol, Disodium EDTA, Phenoxyethanol, Sodium Benzoate, Fragrance, Caramel

Individual Package Size: Approx. 65 x 154 x 50mm

Individual Package Weight: Approx. 102g

Case Size: Approx. 41.5 x 18.5 x 33.5cm

Case Weight: Approx. 4.3kg

Pieces per Case: 36

Project Overview

Title: Countermeasure for Extreme Heat with One Product! "Hieteru" All-in-One Cool Shampoo for Hair and Body

Period: May 31 (Sun) - June 29 (Mon), 2026

URL: https://www.makuake.com/project/hietemasu/

New Lineup for the "Hieteru" Series

New Product: "Gokurei" Extra-Large Cool Towel Large Size Hieteru 5 pcs / "Gokurei" Large Cool Towel Large Size Hieteru 12 pcs

As heatstroke countermeasures have become mandatory for companies,

the "Hieteru" series is increasingly being used not only by individual customers but also as employee benefits for companies.

We have received many requests for "products that cool more" amidst record-breaking heatwaves, for use by companies with outdoor workers or during outdoor sports.

Therefore, we have launched products with a large amount of cooling ingredients added to our existing "Extra-Large Cool Towel 5 pcs" and "Large Cool Towel 12 pcs."

The sheet material has also been changed from a mesh sheet to a soft and fluffy sheet,

allowing for gentle wiping of the entire body.

"Gokurei" Extra-Large Cool Towel Large Size Hieteru 5 pcs / "Gokurei" Large Cool Towel Large Size Hieteru 12 pcs

★As the heat intensifies year by year,

with the desire to make summer more comfortable and to offer more cooling products to as many customers as possible,

we are now offering the "Gokurei" type at drugstores and home centers, where "Hieteru" is already handled.

We are also seeing sales at clothing chain stores, which did not previously handle heat countermeasures products extensively. They are displaying them near their summer clothing sections, featuring cool-touch materials, and offering a total proposal for a comfortable summer lifestyle.

Many customers are purchasing the "Gokurei" Large Cool Towel Large Size Hieteru 12 pcs, which meets the demand for "portable, more cooling products."

● Usage Scenarios

・ For cooling down on hot days

・ When concerned about sweat after sports

・ When unable to bathe or shower

・ For refreshment during study, work, or driving breaks.

● Product Overview

JAN Code: 4589596696010

Product Name: Gokurei Extra-Large Cool Towel Large Size Hieteru 60x40cm 5 pcs

Sheet Dimensions: 60x40cm

JAN Code: 4589596696034

Product Name: Gokurei Large Cool Towel Large Size Hieteru 40x30cm 12 pcs

Sheet Dimensions: 40x30cm

New Product: "Hieteru" Extra-Large Cool Towel Large Size, Alcohol-Free 5 pcs / "Hieteru" Large Cool Towel Large Size, Alcohol-Free 12 pcs

During the "Hieteru" experience event last year,

many customers expressed that they have sensitive skin and avoid alcohol-based products, looking for gentle options. Additionally, many customers requested alcohol-free products.

To ensure safe use for those who dislike alcohol, as well as for women and children,

we have launched alcohol-free versions.

Despite being alcohol-free, they are intensely cooling due to the high concentration of cooling ingredients.

The sheet material is also a soft and fluffy sheet, emphasizing gentleness on the skin.

"Hieteru" Extra-Large Cool Towel Large Size, Alcohol-Free 5 pcs / "Hieteru" Large Cool Towel Large Size, Alcohol-Free 12 pcs

★ With the desire for those who dislike alcohol, women, children, and the whole family to use our products with peace of mind,

we are seeing sales at supermarkets, which are frequently visited by families, as well as by housewives/househusbands raising children and seniors.

The alcohol-free type, like the "Gokurei" type, is being purchased by many customers who are looking for "gentle, alcohol-free products."

● Usage Scenarios

・ For cooling down on hot days

・ When concerned about sweat after sports

・ When unable to bathe or shower

・ For refreshment during study, work, or driving breaks.

● Product Overview

JAN Code: 4589596696027

Product Name: Extra-Large Cool Towel Large Size Hieteru Alcohol-Free 60x40cm 5 pcs

Sheet Dimensions: 60x40cm

JAN Code: 4589596696041

Product Name: Large Cool Towel Large Size Hieteru Alcohol-Free 40x30cm 12 pcs

Sheet Dimensions: 40x30cm

New Product: "Hieteru" Extra-Large Cool Towel Large Size, Individually Packaged

Since its launch, the "Hieteru" Extra-Large Cool Towel Large Size 20 pcs has been very popular among customers.

We have received many comments from long-time users who carry the 20-piece sheets in Ziploc bags, taking only the number of sheets they need.

Therefore, we have now released individually packaged single sheets for convenient portability.

You can carry only the number of sheets you need, and since each sheet is individually wrapped, there's no worry about the sheets drying out.

Recommended for those who want to travel light or for portable use in emergencies.

The 10-pack is also ideal as a summer gift for athletes or those who work outdoors.

"Hieteru" Extra-Large Cool Towel Large Size, Individually Packaged 1 pc / 10 pcs

★ With the desire for many people to try just one sheet of "Hieteru" wet wipes,

we are seeing sales at sporting goods stores and home centers, frequented by athletes and those who work outdoors, as well as at amusement arcades, which are visited by many people.

Furthermore, it has been decided that the products will be used by players, cheering students, and parents' associations during this summer's regional high school baseball tournaments.

In response to the recent extreme heat, fundamental reforms are rapidly progressing in high school baseball heat countermeasures, shifting away from the "grit theory" and changing rules and systems.

While measures are being implemented at the Koshien Tournament, new challenges include heat countermeasures for the numerous "regional tournaments," as well as for "brass bands, cheering squads, and spectators" in the stands, and for school budgets and support systems.

ii-mono Honpo will continue to actively support children's energetic participation in sports and develop products that pursue "cooling without power."

● Usage Scenarios

・ When concerned about sweat after sports.

・ When unable to bathe or shower.

・ For refreshment during study, work, or driving breaks.

● Product Overview

JAN Code: 4589596696058

Product Name: Extra-Large Cool Towel Large Size Hieteru 60x40cm Individually Packaged 1 pc

Sheet Dimensions: 60x40cm

JAN Code: 4589596696065

Product Name: Extra-Large Cool Towel Large Size Hieteru 60x40cm Individually Packaged 10 pcs

Sheet Dimensions: 60x40cm

Full Lineup of "Large Size Hieteru Series" Products Revealed!

[Cooling Goods] ii-mono Honpo's Extra-Large Cool Towel! Get Through the Hot Summer with Large Size Hieteru!

Clothing Cooling Spray [Hieteru] Eliminates Odor and Heat with One Product!

2026 Media Coverage Information

Newspapers

▼ Weekly "DRUG topics" (Drug Magazine)

April 13, Issue No. 2837

June 1, Issue No. 2843

https://www.drugmagazine.co.jp/

▼ Japan Medical and Health News (Japan Medical and Health News Co., Ltd.)

April 20, Issue No. 3301

May 20, Issue No. 3303

https://www.iryoeiseinews.com/

Magazines

▼ Kenjo Navi (Byakuya Shobo)

July 2026 Issue (Release Date: May 22, 2026)

Company Profile

Company Name: ii-mono Honpo Co., Ltd. (IIMONOHONPO CO. LTD.)

Address: 184-4 Fujikawa, Tamamura-machi, Sawa-gun, Gunma Prefecture, 370-1101

President and CEO: Nobuaki Kataoka

Established: January 11, 2018 (Heisei 30)

Capital: 8,000,000 yen

URL: https://iimonohonpo.com

Business Activities: Planning and manufacturing of "slightly better" items necessary for a comfortable life, including skincare, masks, daily necessities, hygiene products, and interior goods.

Official Website

・ Homepage: https://iimonohonpo.com

・ Online Shop: https://shop.iimonohonpo.com

・ Instagram: https://www.instagram.com/iimonohonpo_official

・ X: https://x.com/iimonohonpo

・ Facebook: https://www.facebook.com/iimonohonpo

・ YouTube: https://www.youtube.com/channel/UCri5lZqWSDVw7bpmFdsqFFA

・ TikTok: https://www.tiktok.com/@iimonohonpo

Wholesaler Information

Kaneishi Corporation Oroshi-uri.com

https://oroshi-uri.com

Inquiries from Customers

ii-mono Honpo Co., Ltd. Order Center

184-4 Fujikawa, Tamamura-machi, Sawa-gun, Gunma Prefecture

TEL: 0270-64-1011 (9:00-12:00, 13:00-17:00)

Mail: info@iimonohonpo.com

FACT BOX

  • Source: PR TIMES
  • Category: 商品
  • Organizations: Save Our Kids / Makuake