Embracing Natural Radiance with Enhanced Safety
ROSALIIA arrives at a time when the color contact lens market is increasingly prioritizing both natural aesthetics and user safety. There’s a notable demand for 1-day disposable lenses equipped with UV protection, reflecting a growing awareness of sun exposure’s impact on eye health. ROSALIIA directly addresses this need, offering a thoughtful solution that balances daily wearability with essential protective features.

These lenses are designed to be a comfortable companion for daily life, available in three versatile colors that seamlessly blend with natural eye tones. Whether you require vision correction or simply desire a subtle cosmetic change, ROSALIIA caters to all, with options for both prescription and non-prescription users. The brand behind ROSALIIA emphasizes that their goal was to create a lens that not only enhances natural beauty but also provides peace of mind through its safety features, a sentiment echoed by many users seeking both style and comfort in their daily routine.
Key Features of ROSALIIA
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1-Day Disposable: Ensures maximum hygiene and convenience, eliminating the need for daily cleaning and storage.
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UV Cut Function: Protects eyes from harmful daily ultraviolet rays, contributing to long-term eye health.
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Prescription & Non-Prescription Options: Accessible to a wide range of users, regardless of their vision needs.
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Natural Colors & Designs: Crafted for everyday scenarios, allowing for subtle yet captivating eye enhancement.
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Affordable Pricing: Packaged in a 10-lens box, making it an easy and economical choice for new and regular users.
Product Specifications
Each box of ROSALIIA lenses contains 10 pieces and is priced at 1,480 JPY (including tax). Currently, special campaigns are underway, offering even more attractive prices.
Here are the details for the three natural shades:
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TERRA MOCHA
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DIA: 14.2mm
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G.DIA: 13.6mm
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BC: 8.6mm
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Water content: 38%
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LILAC MIST
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DIA: 14.5mm
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G.DIA: 13.8mm
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BC: 8.6mm
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Water content: 38%
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OLIVE RAIN
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DIA: 14.5mm
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G.DIA: 13.5mm
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BC: 8.6mm
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Water content: 38%
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(Note: Contact lenses are highly controlled medical devices. Please consult an ophthalmologist or optician before use.)
Who is ROSALIIA For?
ROSALIIA is designed for a broad audience, including students, young professionals, and anyone who desires a natural boost to their eyes without being overly dramatic. It’s an ideal choice for those who are new to color contacts or prefer designs that are suitable for school or office environments. The emphasis is on achieving a “natural pop” that complements, rather than overwhelms, one’s appearance.
Availability
ROSALIIA lenses were launched in December 2025 and are available for purchase through the following online platforms:
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Qoo10 ‘GURAMU’: https://www.qoo10.jp/shop/guramu?cit=1133078788
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Rakuten ‘GURAMU’: https://www.rakuten.co.jp/kkbussan/
Currently, the brand is actively striving to offer the most competitive pricing on Qoo10 and Rakuten through a special, limited-time “lowest price challenge” campaign.
The Future of Kawaii Eyes
With ROSALIIA, K.K. Bussan is not just launching a product; it’s setting a new standard for accessible and responsible kawaii beauty. By combining the convenience of 1-day disposables, the essential protection of UV cut, and natural designs at a competitive price point, ROSALIIA has the potential to redefine how individuals approach daily eye enhancement. This focus on comfort, safety, and natural aesthetics could pave the way for a more health-conscious and effortlessly charming future in the global kawaii culture, making subtle, protective beauty a part of everyone’s daily routine.


