Detailing for MCAS youth volunteers at a car detailing fundraiser for Mast Cell Activation Syndrome research

Driven by youth.
Defined by impact.

We believe in the extraordinary power of youth to create meaningful change.

We're a global movement that challenges conventional thinking about who can lead, who can serve, and how we support those living with Mast Cell Activation Syndrome.

What started as a small car detailing fundraiser quickly grew into the world's largest youth-led MCAS nonprofit, with volunteers across 20+ countries, tens of thousands of inspiration cards sent to patients, and over $150,000 raised for research.

A young Detailing for MCAS supporter with a donated LEGO set for a patient care package

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"Young people possess an unmatched combination of creativity, passion, and purpose — and we prove it every single day."

A Detailing for MCAS volunteer family at a community fundraiser

Community at the Core

Our global community model ensures that support for MCAS patients is rich, varied, and culturally aware.

It also means that our volunteers are constantly learning from each other, growing not just as advocates but as global citizens.

The Ripple Effect

Every patient we support, every volunteer we empower, and every barrier we break creates ripples that extend far beyond our immediate community.

When we normalize awareness of MCAS, we change how entire medical teams approach rare disease diagnosis. When we show youth capability, we shift adult perceptions about what young people can accomplish. When we connect patients across borders, we build a global support network that no single organization could create alone.

Who We Are

The story behind the mission.

Our Why — young volunteers founded Detailing for MCAS so no MCAS patient feels unseen

Founded by young people who refused to accept the status quo, Detailing for MCAS exists because every person living with Mast Cell Activation Syndrome deserves to feel seen, supported, and surrounded by hope.

Purpose-Driven from Day One

Our What — fundraising, awareness campaigns and care packages for MCAS patients

We raise awareness, fund research, send inspiration cards to patients, host detailing fundraisers, and build a global volunteer network — all led entirely by youth. Over $150,000 raised. 20+ countries represented.

Impact at Every Level

Our How — student-run chapters and volunteers across more than 20 countries

Through local chapters, international partnerships, and a deeply connected online community, we empower young volunteers to lead with purpose — growing not just as advocates, but as global citizens.