#Japan #Sensitive Skin #Natural Ingredients #Sumida, Tokyo #MIYOSHI Soap

MIYOSHI Introduces New Laundry Powder Soap

MIYOSHI, a brand renowned for its dedication to pure soap-making, is set to launch a new laundry powder soap called "MIYOSHI Oka no Tame no Sentakuyou Funasekken" on March 4, 2026. This new product emphasizes gentleness for the skin, making it a remarkable addition to MIYOSHI's lineup of soaps.

Background of the Launch

Founded in 1921, MIYOSHI Soap Co., Ltd. is committed to creating products that are friendly to people and the environment. The brand has built its reputation on the core principle of using only water and soap base to craft pure soaps, without any additives. As part of its ongoing evolution, MIYOSHI has begun a rebranding initiative aimed at modernizing its image while maintaining its rich history of craftsmanship. The upcoming release of this new laundry soap aligns with the growing consumer demand for products that are gentle on both the skin and the environment.

With a heightened awareness of sensitive skin care, MIYOSHI is responding to the needs of customers seeking a laundry product that is effective yet safe. This new laundry powder soap features 100% soap-based cleansing agents, completely foregoing synthetic surfactants, fragrances, colorings, preservatives, and fluorescent whitening agents. Furthermore, this product has passed an allergy test—though it's important to note that this does not guarantee that all individuals will avoid allergies.

Product Features

The defining features of the MIYOSHI Oka no Tame no Sentakuyou Funasekken include:

1. Cleansing Ingredients: Made with 100% soap, with a pure soap content of 56% sodium fatty acid. An alkaline agent (sodium carbonate) has been added to enhance cleaning power.

2. Free from Harmful Additives: This product is consistent with the MIYOSHI philosophy of using no synthetic surfactants, fragrances, colorings, preservatives, or fluorescent whitening agents, ensuring a clean that’s natural and safe.

3. Easy to Dissolve: The soap dissolves readily in water, allowing it to clean fabrics gently. It produces a soft finish without needing fabric softeners.

4. Simple Packaging Design: Aligning with the new brand identity, this product’s packaging is designed to reflect MIYOSHI’s commitment to being straightforward and pure, echoing the no additives philosophy.

Product Overview

• - Product Name: MIYOSHI Oka no Tame no Sentakuyou Funasekken
• - Content: 1.0 kg
• - Suggested Retail Price: 1,000 Yen (excluding tax) / 1,100 Yen (including tax)
• - Product Highlights: Designed for sensitive skin, made with 100% soap, free from any harmful additives, easy to dissolve in water, presented in simple eco-friendly packaging, and allergy tested.

Release Date and Availability

The new MIYOSHI laundry soap will start rolling out to selected retailers on March 4, 2026, with a gradual expansion planned. Notable stores that will carry the product include:

• - Arclands (Viva Home, HC Musashi) (select locations)
• - KINOKUNIYA International (Aoyama store, Todoroki store)
• - Coop YUCOOP (select locations)
• - Tohto Coop Delivery (anticipated in May)
• - Fit Care DEPOT (select locations)
• - FOOD&COMPANY (Shonan T-SITE store, Daikanyama T-SITE store)
• - Konan Home Center (select locations)
• - Royal Home Center (select locations)

About MIYOSHI

MIYOSHI stands for pure soap and is known for its commitment to using only natural ingredients. The brand strictly avoids any additives, keeping its products simple and pure.

Company Profile

Founded in 1921, MIYOSHI Soap Co., Ltd. has been a cornerstone of soap manufacturing in Sumida, Tokyo for over a century. Initially starting with soaps for the textile industry, the brand adapted its offerings over time to include personal cleansing products and laundry detergents, laying the foundation for becoming a comprehensive cleaning agent manufacturer. Since 1986, the company has completely eliminated synthetic surfactants to produce 100% soap-based cleaning products. Their focus remains on offering environmentally friendly products and adhering to sustainable practices, including the use of responsibly sourced palm oil and eco-friendly packaging.

Company Name: MIYOSHI Soap Co., Ltd.
Headquarters: 130-0021 Tokyo, Sumida Ward, Midori 3-8-12
Founded: 1921
Business Area: Research, development, and manufacturing of soap and cosmetics
CEO: Harunobu Miki
Website: MIYOSHI Official Site