15% to women's health research

This May, every purchase includes a 15% donation to Wellbeing of Women to fund research on women's health. Be part of the change.

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May 15, 2026 12:04pm EDT

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15 days left!

May is half over, and the research funding doesn't stop until it ends.

Every Ruby Cup product purchased this May donates 15% to Wellbeing of Women, funding the women's health research that's been underfunded for decades.

We're halfway through the month: make it count.

Support women’s health research

LOVE IT OR GIVE IT BACK IN 120 DAYS: MONEY BACK GUARANTEE ✅

Why this matters

2.5%

Of UK public research funding covers women's reproductive health.

2021

Period products had never been tested with real menstrual blood before.

5%

Of all pharmaceutical research goes to female-specific conditions.

Wellbeing of Women is changing this. Your purchase this May is part of that change.

Support women’s health

Every Period Product Enrolled

Shop the full range, even bundles!

Ruby Cup Menstrual Cup

Flow Freedom Period Underwear

Fearless Period Underwear

The Clean + Green Duo

The Starter Pack

Teenage Dream Period

Shop all

★★★★★

🗣️ I got the medium menstrual cup with the sterilizer. I have been able to insert it easily and can get it out without much trouble. It fits comfortably and I don't think about it when going about my day. The sterilizer is great for cleaning the cup at the end of my period. Sustainable and easy to use.

Who is Wellbeing of Women?

Wellbeing of Women is the UK's leading charity funding research into women's health, from endometriosis and fibroids to menopause and maternal health.

Since 1964, they've been working to make sure women get the answers, diagnoses and treatments they deserve.

Support Wellbeing of Women