iroha investigates

To achieve our goal, iroha strives to create products that allow self-pleasure, sex, and sexuality to be embraced as a normal part of life by everyone, everywhere.

About iroha investigates
As a brand that believes in growing and adapting with our fans, we hope to use this opportunity to work together to educate and discover more.


iroha investigates
Is Penetration Always Pleasurable?
It all started because we asked, "Is bigger always better?"
We surveyed 600 women around the world regarding penetration and we found some interesting facts.
iroha's Expert-backed Blog
Together with two leading sexual health authorities, iroha wants to dismantle intimacy myth, provide helpful tips and knowledge. As part of our mission, iroha aims to create a environment where all pleasure seekers feel comfortable and empowered about their sexuality. To do so, knowledge is a vital part.

Ultimate Guide to Female Orgasms: How to Better Have Orgasms
Why is it so hard to have an orgasm? We debunk historical myths, explore the “Dual Control Model”, and share practical tips to enhance your sexual wellness and self-exploration. Female pleasure a...

The Ultimate Self-Care Glow: How Self-Pleasure with Sex Toys Can Lead to Better Skin
When you think about your skincare routine, what comes to mind? A gentle cleanser, a hydrating serum, a broad-spectrum sunscreen, and maybe a retinol cream for night use. But there is one powerful...