What Is A Rainbow Kiss? Understanding This Fluid Swap

Join us on this journey as we explore rainbow kisses, an intimate and sometimes divisive practice that can foster a deep connection and sense of bonding!

Published Aug 17 2023 4 min read

So, what exactly is a rainbow kiss? Simply put, a rainbow kiss involves a couple performing simultaneous oral sex on each other while the woman is on her period, followed by sharing the combined fluids in a passionate kiss. This colorful name, inspired by the supposed mixing of fluids to create a "rainbow,"is a practice that should always be consensual, with both partners openly discussing their desires, boundaries, and comfort levels. Join us on this vibrant journey as we explore rainbow kisses, an intimate and sometimes divisive practice that can foster a deep connection and sense of bonding between partners. 

The unique appeal of a rainbow kiss 

At the core of the rainbow kiss lies a sense of deep intimacy and connection fostered through the shared experience of arousal and pleasure. When partners engage in simultaneous oral sex and subsequently share their combined fluids, they break down barriers stigmatizing menstural blood and semen and explore new levels of vulnerability and mutual appreciation for biology.  

The sensual experience: focusing on pleasure and connection  

A rainbow kiss offers a unique way to savor each other's bodies and fully appreciate the sensations of giving and receiving pleasure. By engaging in simultaneous oral sex and seamlessly transitioning into a passionate kiss, partners can show appreciation for one another's pleasure and create a mutually satisfying experience. Tasting each other's fluids (yes, including period blood), is a powerful reminder of the deep connection and chemistry between partners, enriching their overall sexual journey. 

Hygiene and health considerations  

Before indulging in a rainbow kiss, it's important to consider hygiene and health factors to ensure a safe and enjoyable experience.   

This activity involves the swapping of bodily fluids such as blood, semen, and saliva. As such, having a serious conversation beforehand and getting consent around swapping these fluids is a non-negotiable. Additionally, maintaining good oral hygiene and regularly getting tested for STIs are essential practices to help keep you and your partner safe.  

Always prioritize open communication and mutual understanding when discussing health-related concerns about sexual practices. You can enjoy a rewarding and memorable rainbow kiss experience by focusing on both pleasure and safety. 


The world of human sexuality is as vast and diverse as the individuals who comprise it, and the rainbow kiss stands as a testament to our relentless search for new ways to enjoy our bodies and experience a profound connection. With its unique blend of intimacy, vulnerability, and shared pleasure, the rainbow kiss offers couples a powerful and enchanting opportunity to celebrate their love and desire for one another.  

As with any sexual practice, it's crucial to prioritize consent, safety, communication, and understanding, ensuring that both partners feel respected, supported, and eager to engage in the experience. Doing so lays the foundation for a deeply fulfilling and electrifying encounter that can strengthen your bond and enrich your sexual landscape. 

Have better sex