Cosme Kitchen, the natural and organic beauty select shop operated by MASH Beauty Lab Co., Ltd., is set to release its first-ever collaboration with Hello Kitty, one of Sanrio Co., Ltd.'s most beloved characters. Advance reservations for the collection will open on May 12, 2026 (Tuesday) via the MASH GO GREEN STORE (official web store), with the full lineup going on sale nationwide at Cosme Kitchen, Biople, and Biop stores as well as the web store on May 29, 2026 (Friday).
Concept
Ribboned with Love
Being kind means connecting small moments of HAPPY.
Tying feelings together, then gently letting them go.
In that instant—
a small thrill, as if discovering a happiness you didn't yet know,
a warm feeling that quietly spreads.
Kindness makes its way around, softly finding its way home.
Organic beauty woven together by ribbons, wrapped in feeling.
Product Lineup
Original Goods
Hello Kitty Vanity Pouch – Pink/Brown – ¥4,180 (tax included)
A compact, rounded vanity pouch featuring Hello Kitty's face embroidered on the outside. Complete with a hand belt for use as a travel pouch or everyday bag, it opens 180 degrees with a double zipper for easy access. A gathered pocket inside the lid keeps small items organized.
Hello Kitty Mini Bag Pouch – Pink/Brown – ¥4,290 (tax included)
A 2-way bag-style pouch with Hello Kitty's face rendered in embroidery. The detachable handle makes it usable as a makeup pouch, travel pouch, or a short-trip bag. Available in pale pink and a calming brown.
Hello Kitty Towel Handkerchief – Face/Ribbon – ¥1,650 (tax included)
A soft towel handkerchief in jacquard weave featuring Hello Kitty peeking out from behind a ribbon. Two designs are available: one with Hello Kitty nestled among ribbons, and another showcasing Hello Kitty's iconic ribbon as the main motif.
Hello Kitty Hair Clip – Ribbon/Body – ¥2,970 (tax included)
A retro-design hair clip featuring Hello Kitty peeking from a ribbon, along with Hello Kitty and friends in a Tiny Chum design. Made from marble material with a matte finish, the clip's muted color palette blends naturally with more refined looks while firmly holding longer hair.
Brand Collaborations
Hello Kitty × AROMATICA Rosemary & Orange Scalp Scrub – ¥2,310 (tax included)
The popular scalp scrub arrives in a Japan-exclusive limited package featuring Hello Kitty enjoying bath time. Formulated for Japan's humid climate using premium mineral-rich salt from Andean lakes, it thoroughly cleanses the scalp while rosemary and citrus scents provide a cooling, refreshing sensation. Plant-based moisturizing ingredients gently condition the scalp for healthier hair.
Hello Kitty × FEMMUE Beautifying Hair Mist – ¥4,950 (tax included)
FEMMUE's hair treatment mist comes in a drawstring pouch featuring a charming Hello Kitty design holding a brush. It delivers moisture to hair damaged by UV rays and heat, smoothing the cuticle using the CAMELLIA REPAIR COMPLEX*¹, with a refined, fresh scent of rose and jasmine*² oil. It can also be used as a midday refresh mist.
*¹ Camellia seed oil / Camellia seed extract / Camellia flower extract / Castor oil / Tea seed oil (all moisturizing and conditioning ingredients)
*² Jasminum sambac flower extract
Hello Kitty × La CASTA Aroma Este Hair Emulsion 80 mL – ¥3,410 (tax included)
La CASTA's hair serum in a limited package featuring Hello Kitty peeking from a large ribbon. Blended with organic botanical ingredients and herb extracts, it repairs and protects the hair interior and cuticle while adding moisture and shine.
Hello Kitty × La CASTA Hair Care Trial 35 – ¥2,970 (tax included)
A travel-friendly La CASTA trial set featuring a Hello Kitty pouch, ideal for those trying the brand for the first time. The set includes approximately two weeks' worth of product.
Set contents (limited mini sizes):
- Aroma Este Hair Soap 35 (100 mL) × 1
- Aroma Este Hair Mask 35 (80 g) × 1
Hello Kitty × giovanni Three Key Brush – ¥3,300 (tax included)
The winner of 1st place in the Styling/Tool category at Cosme Kitchen Best Cosmetics 2024 Second Half*¹. This professional-grade brush combines natural boar bristles that tame thick and curly hair with nylon pins for scalp care, leaving hair smooth and full of shine.
*¹ 1st place in the Styling/Tool category, Cosme Kitchen Best Cosmetics 2024 Second Half
Hello Kitty × giovanni Frizz Be Gone Smoothing Hair Serum – ¥3,190 (tax included)
A limited design featuring Hello Kitty looking directly at the viewer. This long-selling hair serum wraps each strand in a rich texture to deliver silky, frizz-free results, protecting hair from blow-dryer and iron heat. Suitable for both wet and dry hair.
Hello Kitty × ObyF Moist Shampoo 250 mL – ¥3,080 (tax included)
A limited design featuring Hello Kitty peeking out from a ribbon. Dense lather gently cleanses damaged hair while retaining moisture, blended with sage, lavender, and plant-derived soy protein for a smooth, manageable finish.
Hello Kitty × ObyF Repair Treatment 250 g – ¥3,630 (tax included)
A limited design featuring Hello Kitty's signature ribbon. This treatment penetrates deep into the hair fiber for intensive repair while smoothing the cuticle. Formulated with heat-active ingredients*⁴, Rosa canina fruit extract, pea protein, avocado oil, and shea butter.
*⁴ Ethyl ester of PCA (γ-docosalactone)
Hello Kitty × ObyF Rich Oil 80 mL – ¥3,410 (tax included)
A best-selling lightweight hair oil in limited packaging. Blended with jojoba oil, sunflower seed oil, rice bran oil, gossypium herbaceum seed oil, and pomegranate seed oil, it tames frizz and adds a natural shine. Using it before blow-drying helps protect hair from heat damage.
Hello Kitty × LOVECHROME (R)PG Comb Case Set Premium Black – ¥7,920 (tax included)
A Cosme Kitchen-exclusive limited collaboration item featuring a Hello Kitty design with a standout ribbon motif, paired with a bag charm. The practical comb case fits the product neatly for easy on-the-go use, while the bag charm adds a stylish accent to any outfit.
Reservation and Sales Schedule
Reservation Period:
May 12, 2026 (Tuesday) to May 25, 2026 (Monday)
Advance reservations for all 18 items open at the MASH GO GREEN STORE official web store.
Sale Date:
May 29, 2026 (Friday)
Available at Cosme Kitchen, Biople, and Biop stores nationwide, as well as the MASH GO GREEN STORE online.
Nationwide stores:
- Cosme Kitchen: https://x.gd/85YHzY
- Biople: https://x.gd/sGSxZ
- Biop: Iito Lumine Shinjuku (Access: B1F, inside JR Shinjuku Station gates, West Gate direction)
Web Store:
MASH GO GREEN STORE: https://www.cosmekitchen-webstore.jp/
The MASH GO GREEN STORE — MASH Beauty Lab's official web store carrying a wide range of natural and organic cosmetics, food, and lifestyle goods from Cosme Kitchen and Biople — opens on April 15, 2026 (Wednesday) at 10:00 AM.
