The Kiri Journal

Honest guides to period underwear — sizing, leaks, washing and sleeping through the night. Written in Hong Kong.

Start here

The basics, in the order they actually matter.

How Does Period Underwear Work? A Clear Guide for Hong Kong How it works·24 Jul How Does Period Underwear Work? A Clear Guide for Hong Kong How to Choose Your Size and Absorbency: What the ML Numbers Actually Mean Sizing·22 Jul How to Choose Your Size and Absorbency: What the ML Numbers Actually Mean Period Underwear vs. Pads, Tampons and Cups: An Honest Comparison Comparisons·22 Jul Period Underwear vs. Pads, Tampons and Cups: An Honest Comparison Why More Women Are Switching to Period Panties And Not Going Back 23 Apr Why More Women Are Switching to Period Panties And Not Going Back Kiri Bra and Panty – Redefining Everyday Comfort for Women 2 Feb Kiri Bra and Panty – Redefining Everyday Comfort for Women

For mums & first periods

Buying for a daughter, or for a body that has just changed.

Nursing Bras in Hong Kong: What Actually Changes After Baby Nursing & maternity·26 Jul Nursing Bras in Hong Kong: What Actually Changes After Baby Period Underwear for Teens: A First-Period Guide for Parents First period·25 Jul Period Underwear for Teens: A First-Period Guide for Parents

Choosing your pair

Size, absorbency, and what to do when it isn't right.

How to Know If Your Period Underwear Size Is Wrong (And Fix It) Sizing·26 Jul How to Know If Your Period Underwear Size Is Wrong (And Fix It) Ordering Period Underwear Online in Hong Kong: Sizing, Exchanges and Delivery Ordering & delivery·26 Jul Ordering Period Underwear Online in Hong Kong: Sizing, Exchanges and Delivery The Best Period Underwear in Hong Kong: A 2026 Buyer's Guide Buyer's guide·25 Jul The Best Period Underwear in Hong Kong: A 2026 Buyer's Guide The Best Period Underwear for Heavy Flow and Overnight Heavy Flow·24 Jul The Best Period Underwear for Heavy Flow and Overnight Why Heavy Flow Days Feel So Different And How Women Are Managing Them Better Heavy Flow·8 Jun Why Heavy Flow Days Feel So Different And How Women Are Managing Them Better

Living in them

Washing, lasting, and the questions nobody asks out loud.

Sensitive Skin and Period Underwear: What to Know Before You Switch Care·26 Jul Sensitive Skin and Period Underwear: What to Know Before You Switch Does Period Underwear Smell? What's Actually Happening (and How to Prevent It) Care·26 Jul Does Period Underwear Smell? What's Actually Happening (and How to Prevent It) How Long Does Period Underwear Last? (And How to Make It Last) Care·25 Jul How Long Does Period Underwear Last? (And How to Make It Last) How to Wash and Care for Period Underwear Care·22 Jul How to Wash and Care for Period Underwear

Out and about

Gym, travel, leggings, and Hong Kong humidity.

Taking Period Underwear on a Trip: What to Pack and How Many Travel·26 Jul Taking Period Underwear on a Trip: What to Pack and How Many Can You See Period Underwear Under Leggings? What Actually Shows Fabric & fit·26 Jul Can You See Period Underwear Under Leggings? What Actually Shows Period Underwear for the Gym: Does It Actually Hold Up to a Workout? Fitness·26 Jul Period Underwear for the Gym: Does It Actually Hold Up to a Workout?

Bras

Wireless, wired, and why your bra changes with your cycle.

How to Measure Your Bra Size at Home: A Real Guide Sizing·26 Jul How to Measure Your Bra Size at Home: A Real Guide Why Your Bra Feels Different During Your Period (And What Helps) Bras·26 Jul Why Your Bra Feels Different During Your Period (And What Helps) Wireless Bra vs Underwire: Which Is Right for You? Bras·24 Jul Wireless Bra vs Underwire: Which Is Right for You? Why Matching Bra and Panty Sets Feel More Comfortable Than You Think Comfort·29 May Why Matching Bra and Panty Sets Feel More Comfortable Than You Think Why More Women Are Rethinking Period Comfort Comfort·29 May Why More Women Are Rethinking Period Comfort Why More Women Are Done With Uncomfortable Bras 7 May Why More Women Are Done With Uncomfortable Bras Why Wireless Bras Are Becoming the Standard for Everyday Comfort 23 Apr Why Wireless Bras Are Becoming the Standard for Everyday Comfort

The bigger picture

What one pair replaces, and what that adds up to.

Is Period Underwear Actually More Sustainable? The Honest Math Sustainability·26 Jul Is Period Underwear Actually More Sustainable? The Honest Math