"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 💗

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

FAQ

When and where will the limited‑edition "Esther Bunny" design color shampoos be first available for purchase?

They will be on sale starting April 1, 2026 at Don Quijote stores nationwide in Japan, although some individual stores may not carry the limited‑edition products.

Which companies are involved in producing the "Tottimo! Color Shampoo Esther Bunny Design" and who are their representative directors?

IK Co., Ltd., a wholly‑owned subsidiary of IK Holdings Co., Ltd., produces the Tottimo! Color Shampoo Esther Bunny Design; its representative director is Yasutaka Nakajima, while the holding company’s representative director is Shogo Nagano.

How many shampoo colors are included in the limited‑edition lineup, what are their names, and what is the price and volume of each bottle?

The lineup includes three colors—Purple, Pink, and Silver—each priced at 1,980 yen inclusive of tax for a 350 ml bottle.

What additional novelty item is offered with the limited‑edition shampoo package, and what are its design features?

Purchasers receive a fluffy baby‑pink hairband that features an exclusive illustration of Esther Bunny, creating a heart‑warming and cute design.

Through which online platforms can customers buy the standard package of the "Esther Bunny" design shampoo, and does this package also include the hairband?

The standard package, which also includes the exclusive hairband, is available for purchase on Amazon and Qoo10 in addition to the limited‑edition Don Quijote sales.

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