Adult Diaper Information Center Japan / YOUR QUESTIONS
Work through possible causes of leaks.
Start by checking where, when and in which position leaks occur. Review placement, sizing and absorbency one step at a time.
First, record where and when leaks occur
Recording where, when and in which position leaks occur helps narrow down what to check.
Record leak locations and urine volume
Record what you notice and learn how adult diapers and pads work.
Knowing where and when leaks occur makes it easier to choose the next article to read.
Read the first article in this section using the large card above.
Understand the role of standing leak guardsThe role of standing leak guardsStanding Leak Guards in Adult Diapers and Incontinence Insert Pads: Roles, Use and Precautions [2026]Review how standing leak guards help contain leaks and what to check when using them.Read the article 
Understand the construction of adult diapers and padsAdult diaper constructionAdult Diaper and Incontinence Insert Pad Construction and Performance [2026]Review absorbent, waterproof and leak-containment structures, and pad performance.Read the article Use your notes about leak locations to review pad placement and combinations.
Placement and pad combinations
Review pad types, placement, absorbency and tape fastening.
Check the pad’s shape and absorbency, and whether it is designed for the diaper you use.
Types of incontinence insert padsTypes of incontinence insert padsIncontinence Insert Pads: Types, Selection, Absorbency, Diaper Compatibility and Layering Precautions [2026]Review insert pad types and absorbency, and how they are combined with adult diapers.Read the article 
Positioning pads for pull-on adult diapersPads for pull-on adult diapersPads for Pull-on Adult Diapers: Placement and Reference Absorption Counts from 7 Manufacturers in Japan [2026]Review pad placement in pull-on adult diapers and reference absorption counts.Read the article 
Absorbency of pads for pull-on adult diapersAbsorbency for pull-on adult diapersPads for Pull-on Adult Diapers: Reference Absorption Counts, Sizes and Selection from 7 Manufacturers [2026]Compare pad sizes and reference absorption counts for use with pull-on adult diapers.Read the article 
Tape positioning and practical adjustmentsFastening the tapesFastening Tape-Fastened Adult Diapers: Cross-Fastening Steps and Precautions [2026]Review tape fastening, cross-fastening steps and precautions.Read the article 
Pad sizes and usePad sizesIncontinence Insert Pads for Adult Diapers: 9 Retail Products from 7 Manufacturers Compared by Size, Absorbency and Use [2026]Compare insert pads by size, absorbency and how they are used.Read the article 
Choosing light incontinence padsLight incontinence padsLight Incontinence Pads: Shapes for Women and Men, Absorbency and Differences from Menstrual Pads [2026]Review shapes for women and men, absorbency and differences from menstrual pads.Read the article After checking placement, compare body measurements with product sizing.
Check the size
Explore options by diaper type when a product is too small or too large.
Pull-on adult diapers and tape-fastened adult diapers use different size labels and body measurements.
Smaller pull-on adult diapersSmaller pull-on adult diapersSS–S Pull-on Adult Diapers in Japanese Retail Ranges: Waist Sizes and Absorbency by Manufacturer [2026]Compare SS–S products by waist measurements and absorbency.Read the article 
Larger pull-on adult diapersLarger pull-on adult diapersLarger Pull-on Adult Diapers: Sizes L and Above from 6 Retail Manufacturers in Japan [2026]Compare sizes L and above using size ranges and reference absorption counts.Read the article 
Smaller tape-fastened adult diapersSmaller tape-fastened adult diapersSS and S Tape-Fastened Adult Diapers: Features and Selection Points from 4 Retail Manufacturers in Japan [2026]Compare SS and S products by features and points to check when choosing.Read the article 
Larger tape-fastened adult diapersLarger tape-fastened adult diapersLarger Tape-Fastened Adult Diapers: Hip Sizes and Reference Absorption Counts from 6 Retail Manufacturers in Japan [2026]Compare larger products by hip measurements and reference absorption counts.Read the article If the size fits, compare urine volume with the product’s absorption characteristics.
Compare the absorbency you need
Compare absorption speed and reference figures for pull-on adult diapers, tape-fastened adult diapers and pads.
Consider labeled reference absorption counts alongside actual urine volume and the interval between changes.
Understand absorption speedAbsorption speedAbsorption Speed in Adult Diapers and Incontinence Insert Pads: Selection for Urine Flow and Product Examples [2026]Review selection for urine flow and the characteristics of absorption speed.Read the article 
Compare absorbency in pull-on adult diapersPull-on adult diapersHigh-Absorbency Pull-on Adult Diapers: Retail Ranges, Reference Absorption Counts and Sizes from 6 Manufacturers [2026]Compare higher-absorbency products by reference absorption counts and sizes.Read the article 
Compare absorbency in tape-fastened adult diapersTape-fastened adult diapersHigh-Absorbency Tape-Fastened Adult Diapers: Sizes and Reference Absorption Counts from 6 Retail Manufacturers in Japan [2026]Compare higher-absorbency products by sizes and reference absorption counts.Read the article 
Compare high-absorbency insert padsHigh-absorbency insert padsHigh-Absorbency Retail Incontinence Insert Pads: Reference Absorption Counts and Features from 8 Manufacturers [2026]Compare the features and reference absorption counts of higher-absorbency pads sold through retail channels.Read the article Finally, check pad dimensions and details such as breathability.
Check pad dimensions and features
Narrow down pads by their coverage and features intended to support skin comfort.
Check the intended use and time in contact with skin, as well as dimensions.
Larger incontinence insert padsLarger incontinence insert padsLarger Incontinence Insert Pads: Width, Length and Reference Absorption Counts from 7 Retail Manufacturers in Japan [2026]Compare wider and longer pads by dimensions and reference absorption counts.Read the article 
Pads designed with breathability in mindBreathability and skin considerationsIncontinence Insert Pads Compared by Breathability and Skin Considerations: Sizes and Reference Absorption Counts from 7 Retail Manufacturers [2026]Compare pad dimensions and absorbency while reviewing breathability and skin-related features.Read the article If you are still unsure after reading
Telephone and chat advice services are also available. Check the article and each provider’s guidance for how to contact them.
