This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Our New Store │ Launching Soon

Your best hair ever. Period.

Formulations to nourish the skin and hair. Created with love, in Japan.

A perfect hair day, everyday.

Efficacious, plant-powered ingredients personalized for your hair type.

Moshi Moshi

We are JCOS, and we are obsessed with Japanese beauty. So much so that we took ourselves to Japan, sourced the absolute best products, and brought them home to share with you! They're gentle, yet effective and completely clean. Our bottles are all refillable so they're even gentle on the environment. We hope you love them as much as we do!


Your New Ritual

JCOS formulas are all cross-functional. They add moisture, create volume and texture, and promote hair and scalp health. Making them especially helpful for managing difficult hair. Each JCOS product can be used independently or as part of a multi-step application to achieve exceptional results.

made in Japan

Crafted with meticulous attention to detail, our formulas exceed the highest quality standards on the planet.

uniquely you

You deserve to enjoy haircare that truly works. So we’ve made it easy to create a customized routine that fits your individual hair type.

all natural

We only include plant-based, and eco-friendly ingredients proven to support the skin and hair.


We never use any synthetic dyes, mineral oil, parabéns, petroleum surfactants, silicon, talc, or sulfates. Ever.

Store Coming Soon.


No more products available for purchase

Your cart is currently empty.