Piz Buin

Piz Buin is a sunscreen brand whose name comes from Piz Buin, a 3,312-metre mountain in the Eastern Alps. Its origins are associated with Swiss chemist Franz Greiter, who became interested in sun protection after suffering a severe sunburn while climbing the mountain in 1938. Greiter's experience led him to develop a practical topical preparation intended to protect skin from intense ultraviolet exposure. In 1946, Greiter introduced Gletscher Crème, or Glacier Cream, which is described as one of the earliest effective modern sunscreen products. The cream provided the foundation for the Piz Buin business and established the brand's connection with alpine mountaineering, outdoor exposure and skin protection. The brand name therefore functions both as a geographical reference and as a reminder of the event that inspired its development. A significant milestone in the brand's scientific history came in 1974, when Greiter adapted earlier calculations associated with Friedrich Ellinger and Rudolf Schulze to introduce the concept of the sun protection factor, commonly abbreviated as SPF. SPF subsequently became a widely used international method for communicating the relative effectiveness of sunscreen against sunburn-producing ultraviolet radiation. Gletscher Crème has been estimated to have had an SPF of 2, illustrating the comparatively limited protection available in the brand's early period. Piz Buin has continued as a marketer of sunscreen products. Its core category is topical sun protection rather than food, and its brand heritage is rooted in cosmetic chemistry, outdoor activity and the development of measurable protection claims. The business is headquartered in Zug, Switzerland, although the supplied reference material does not identify its current corporate owner, parent group, detailed product portfolio or current market footprint. Because the available material concentrates on the brand's origins and scientific contribution, contemporary executives, campaigns, financial information and ownership details remain unspecified.

Piz Buin traces its origin to Franz Greiter, a Swiss chemistry student and later chemist whose interest in sun protection followed a severe sunburn during a 1938 climb of Piz Buin in the Eastern Alps. The mountain, which rises to 3,312 metres, became the namesake of the resulting brand and supplied the product line with an enduring association with alpine conditions and intense solar exposure. Greiter developed a topical preparation designed to reduce the effects of sun exposure. In 1946 he introduced Gletscher Crème, known in English as Glacier Cream. The product is described as possibly one of the first effective modern sunscreens. It became the basis of the Piz Buin company and established the brand's principal commercial field: products intended to protect the skin from ultraviolet radiation. The early product's reported protection was modest by modern standards. Gletscher Crème has been estimated to have had a sun protection factor of 2. The significance of the product lies not only in its level of protection but also in its place in the development of consumer sun-care products. It represented an attempt to formulate and market a dedicated preparation for protection against sunburn at a time when standardized consumer-facing protection measures were not yet established. Piz Buin's most consequential contribution to sun-care terminology came in 1974. Greiter adapted earlier calculations attributed to Friedrich Ellinger and Rudolf Schulze and introduced the sun protection factor, or SPF. SPF became a global standard for expressing the effectiveness of sunscreens, allowing consumers and professionals to compare products using a common numerical framework. Although SPF is now a familiar part of sunscreen labeling, its introduction marked an important shift toward quantifying sun protection rather than describing it only through general product claims. The brand remains associated with sunscreen marketing and has been headquartered in Zug, Switzerland. The available reference material does not provide a detailed account of later product launches, ownership changes, distribution arrangements or advertising campaigns. It also does not identify current executives or disclose financial results. Accordingly, the documented history of Piz Buin is strongest in relation to its founding inspiration, the launch of Gletscher Crème and Greiter's role in the emergence of SPF as a standard measure. Its continuing identity is that of a sun-care brand built on a combination of Alpine origin story and sunscreen science.

1. 1974Sun protection factor is introduced

   Greiter adapted earlier calculations associated with Friedrich Ellinger and Rudolf Schulze and introduced the sun protection factor, or SPF, as a way to express sunscreen effectiveness.

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2. 1946Gletscher Crème is introduced

   Swiss chemist Franz Greiter introduced Gletscher Crème, also known as Glacier Cream, which became the foundation of the Piz Buin sunscreen business.

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3. 1938Climbing experience inspires sun-protection research

   Franz Greiter reportedly suffered a severe sunburn while climbing Piz Buin, an experience that inspired his subsequent work on topical sun protection.

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Sun protection grounded in Alpine heritage, outdoor exposure and the historical development of measurable sunscreen efficacy.

• Gletscher CrèmeSunscreen cream1946

  Gletscher Crème, translated as Glacier Cream, was introduced by Franz Greiter in 1946. It is described as one of the earliest effective modern sunscreen preparations and formed the commercial basis of the Piz Buin brand. Its reported protection level has been estimated at SPF 2, reflecting the early stage of standardized sunscreen measurement and formulation.

• Piz Buin sunscreen productsSun care

  The Piz Buin brand continues to be associated with marketed sunscreen products. The supplied reference material confirms the category and the brand's continuing sun-care identity but does not specify current product names, formulations, protection levels or packaging formats.

1. Piz Buin (brand)