My Melody x 8 THE THALASSO: A Kawaii Haircare Dream Blooms Exclusively in Japan!

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My Melody and 8 THE THALASSO Launch Adorable Limited-Edition Haircare

A delightful collaboration is set to enchant haircare routines across Japan! The popular skincare-inspired hair brand, 8 THE THALASSO, has joined forces with Sanrio’s beloved character, My Melody, to release a limited-edition series of haircare products. These charming items, featuring My Melody’s signature cuteness, will be available exclusively at Matsumotokiyoshi and Cocokara Fine Group stores nationwide, starting January 16, 2026.

My Melody x 8 THE THALASSO Collaboration

This marks the first collaboration between 8 THE THALASSO and My Melody, bringing a touch of “kawaii” charm to everyday beauty rituals. The special designs, exclusive to these retailers, aim to provide a moment of peace and happiness amidst busy schedules, enveloping users in the character’s gentle and endearing presence.

Damage Repair & Moisture Care: The Special Kit

Among the limited-edition offerings is a special kit designed for intensive damage repair and moisture care. This set includes a beauty serum shampoo that cleanses the scalp while retaining moisture, and a beauty serum treatment that deeply repairs damage from the inside of the hair shaft to the tips. This powerful duo targets common hair concerns such as split ends, frizz, and dryness, working to restore luscious, manageable “purun-kami” (plump hair).

8 THE THALASSO My Melody Shampoo & Treatment Kit

Product Details:

  • Product Name: 8 THE THALASSO Moist Shampoo & Moist Treatment My Melody Design Special Kit

  • Kit Contents:

    • 8 THE THALASSO Cleansing Repair & Moist Beauty Serum Shampoo My Melody 475mL

    • 8 THE THALASSO Deep Repair & Aqua Moist Beauty Serum Treatment My Melody 475mL

  • Suggested Retail Price: ¥3,080 (tax included)

Smooth, Hydrated Hair with Beauty Serum Hair Oil

Complementing the kit is a beauty serum hair oil, also adorned with a My Melody design. This oil works to balance the hair’s moisture and oil levels, repairing damage and leaving hair shiny and smooth to the ends. It’s particularly recommended for individuals concerned about dry hair, humidity-induced frizz, waves, or unruly hair.

Product Details:

  • Product Name: 8 THE THALASSO Repair Shot & EX Moist Beauty Serum Oil My Melody

  • Volume/Suggested Retail Price: 100mL / ¥1,540 (tax included)

For My Melody fans, these products are more than just haircare; they are a daily dose of joy and self-care, transforming a simple routine into a moment of pure bliss. The collaboration beautifully merges effective beauty solutions with the enduring appeal of beloved characters, a hallmark of Japan’s vibrant “kawaii” culture.

The Future of Kawaii Beauty

This collaboration exemplifies how Japanese brands continue to innovate by integrating popular character aesthetics with high-quality products. Such partnerships not only delight local consumers but also extend the global reach of “kawaii” culture, inviting international fans to experience the unique blend of cuteness and functionality. As these limited-edition items roll out, they will undoubtedly become cherished collectibles, proving that beauty can indeed be both effective and incredibly adorable.

For more information on 8 THE THALASSO, please visit their official website:

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