"Esther Bunny" and Haircare Brand "Tottimo!" Collaborate for the First Time! Limited Edition "Esther Bunny" Design Color Shampoos Now on Sale in Limited Quantities!

IK Co., Ltd. (Headquarters: Nagoya City, Aichi Prefecture; Representative Director: Yasutaka Nakajima), a wholly-owned subsidiary of IK Holdings Co., Ltd. (Headquarters: Nagoya City, Aichi Prefecture; Representative Director: Shogo Nagano), will launch limited edition color shampoos featuring designs in collaboration with the popular Korean character "Esther Bunny" from its haircare brand "Tottimo!", which helps those who enjoy fashionable hair achieve their desired hairstyles. These will be available in limited quantities at Don Quijote stores nationwide starting April 1, 2026.

*Please note that some stores may not carry these products.

Development Background

This collaboration with "Esther Bunny" marks the brand's first collaborative design.

The "Tottimo! Color Shampoo Esther Bunny Design" features a limited edition design that makes you want to enjoy fashionable hair with Esther Bunny 💗💜

Each color features a different design, depicting Esther Bunny's relaxing time, presented in a kitsch & girly style 👀✨

Furthermore, for this collaboration, a hairband will be offered as a novelty item to those who purchase the "Tottimo! Color Shampoo Esther Bunny Design." The fluffy baby pink hairband features an exclusive illustration, creating a heartwarming and cute design 💗

[Sales Channels]

〈Limited Package + Hairband〉

Don Quijote stores nationwide

*Please note that some stores may not carry these products.

〈Standard Package + Hairband〉

Amazon, Qoo10

Product Overview

Tottimo! Color Shampoo Esther Bunny Design

Color lineup: 3 colors in total (Purple, Pink, Silver)

Price: 1,980 yen (tax included)

Volume: 350ml

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