Article Library

Explore adult diaper types, absorbency, fit and everyday use. This library brings together the English articles available from Adult Diaper Information Center Japan. New English articles appear here as they are published.

English articles

Read illustrated explanations and practical points to check when choosing and using adult diapers and incontinence insert pads.

Sizes S and below

All articles →

SS and S Tape-Fastened Adult Diapers: 4 Manufacturers in Japan [2026]

Updated: October 26, 2026

Compare SS and S tape-fastened adult diapers by hip measurement and reference absorption, with illustrated checks for using incontinence insert pads.

Read the guide ↗

Smaller Pull-on Adult Diapers: Comparing SS–S Waist Sizes and Absorbency [2026]

Updated: October 26, 2026

Compare SS–S retail pull-on adult diapers from LiveDo, Kao, Unicharm and Kami Shoji, with waist ranges, absorbency references and fit considerations.

Read the guide ↗

Follow a three-step learning guide

Start with product types and structure, then move on to selection and fit, and finally to use and changing. The guides below are available in English. Links to Japanese articles are clearly marked.

STEP 01

Types and structure

Understand pull-on adult diapers, tape-fastened adult diapers, incontinence insert pads and pad-holding underwear. Learn what each product is designed to do.

Read the guide →

STEP 02

Choosing a product, absorbency and size

Check the product type, body fit, reference absorbency and time until the next change. Compare the features that matter for the person using the product.

Read the guide →

STEP 03

Fitting, use and changing

Explore insert pad placement, standing leak guards, fastening tapes, changing demonstrations, skin cleansing and disposal after use.

Read the guide →