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Sydney Twins Redefine Sun Care with 12-Hour Invisible Patches

Innovative UPF50+ patches developed by Sydney sisters promise long-lasting, sweatproof sun protection for active women in Australia's harsh UV climate.

Cecily Granger
By Cecily Granger · June 23, 2025
Legally Hot sun protection patch on grass, surrounded by golf equipment, offering 12-hour waterproof, sweatproof UPF50+ protection.

In a country renowned for its intense ultraviolet (UV) exposure, Sydney sisters Ashley and Mimi are transforming how Australians approach sun protection. They've launched Legally Hot, offering the nation's first invisible UPF50+ patches designed to withstand Australia's extreme sun while ensuring ease and style.

Determined to offer a solution that traditional sunscreens couldn't provide, the twins tapped into advanced Korean skincare technology. These patches promise all-day defense with the convenience of not needing frequent reapplication. This innovation caters to active women who require reliable protection that fits seamlessly into their routines.

The Limitations of Conventional Sunscreen

Australia's UV levels are among the highest in the world, making effective sun protection essential. Despite this, conventional sunscreens often fall short. They tend to wash off with water, sweat off during physical activity, and require constant reapplication – challenges that regular users know all too well.

"Traditional sunscreens were impractical for active lifestyles," Ashley explains. "We needed a better, more durable solution that could withstand the rigors of outdoor activities." This gap in the market inspired the sisters to develop a product capable of offering sustained protection.

Revolutionary Korean Collaboration

Recognizing the advanced sun protection already present in Korean skincare, the sisters collaborated with leading manufacturers to bring invisible UPF50+ patches to Australia. These patches shield vulnerable areas like the nose and cheeks, offering 12 hours of uninterrupted protection regardless of sweat or water exposure.

Each patch is dermatologically tested, highlighting a significant advancement over traditional methods that typically leave a visible residue. This innovation allows Australian women to maintain their skin health without sacrificing style or convenience.

Innovation Beyond Protection

The Legally Hot patches are not just about sun defense; they integrate skincare benefits, including niacinamide for brightening and adenosine for anti-aging. Vitamin E and aloe vera further enrich the patches, promoting skin health without harmful chemicals, making them suitable for sensitive skin.

Incorporating skincare into sun protection marks a significant shift, addressing the limitations of chemical sunscreens and providing a comprehensive solution for maintaining both beauty and safety.

Changing the Sun Care Landscape

By introducing a practical, invisible alternative to sunscreen, Legally Hot addresses the needs of women who engage in outdoor activities ranging from beach sports to hiking. Women can now enjoy their favorite pastimes without the constant concern of sun damage or tedious reapplication.

The launch of Legally Hot illustrates a growing demand for sun protection that aligns with contemporary lifestyles, and the sisters’ innovative approach positions them as leaders in the field. As awareness of sunscreen limitations grows, this new offering signifies a turning point in Australian sun care practices.

Legally Hot's breakthrough comes at a pivotal time, offering a blend of skincare and consistent protection that empowers women to embrace their outdoor activities confidently. With plans to expand their product line, the sisters continue to innovate in response to Australia's unique UV challenges.

sun protectionskincareinnovationaustraliaactive lifestyle
Cecily Granger

Womens Magazine Contributor

Cecily Granger

Covers culture and the conversations shaping women's lives, from the screen and the page to the arguments worth having.


This article features partner, contributor, or branded content from a third party. Members of the Womens Magazine editorial staff were not involved in the creation of this content. All views and opinions are those of the contributor alone.

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