Piz Buin (brand)
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Piz Buin is the trading name of a sunscreen firm, whose headquarters is in Zug, Switzerland. It is named after Piz Buin, a 3312 metre-high mountain in the Eastern Alps.
The Piz Buin brand traces its origin back to the inspiration of Franz Greiter, a young chemistry student, who suffered severe sunburn while climbing Piz Buin in 1938.[1] He introduced his first sun protection product in 1946.[2][3]
In 1974, Greiter adapted earlier calculations from Friedrich Ellinger and Rudolf Schulze and introduced the "sun protection factor" (SPF), which has become a worldwide standard for measuring the effectiveness of sunscreen.[4]
References[edit]
- ^ "Gletscher Crème". 2010-04-22. Piz Buin. Archived from the original on 2010-05-12. Retrieved 2013-06-29.
- ^ Shaath, Nadim A., editor (2005). Sunscreens: Regulations and Commercial Development, Third Edition. Taylor & Francis Group.
- ^ "Sunscreen: A History". The New York Times. June 23, 2010. Retrieved July 24, 2014.
- ^ Lim, Henry W., editor; et al. (2007). Photodermatology. CRC Press. p. 6. ISBN 9781420019964. Retrieved July 24, 2014.
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