The Evolution of SPF in Skincare: From Sun Creams to Everyday Essentials
For decades, the words ‘sun protection’ were synonymous with just one thing – sun creams. From thick creams to greasy oils, these formulations were our only line of defence against the harmful effects of UV (ultraviolet) rays.
But over the years Sun Protection Factor (more commonly known as SPF) has been on quite a journey and is now becoming a staple in many daily skincare products.
The birth of SPF
Ultraviolet B (UVB) filters were first produced in 1928 and were soon followed in 1932 with the first sunscreen, invented in Australia by chemist H.A. Milton Blake. In 1936 L’Oreal released its first sunscreen product, formulated by French chemist Eugene Schueller.
In 1946 Austrian chemist Franz Greiter introduced a product called Glacier Cream. Allegedly he came up with the name after experiencing severe sunburn while climbing Mount Piz Buin, which subsequently became the basis for the company of the same name.
In 1974 Greiter introduced the Sun Protection Factor (SPF) – related to how long you can remain in the sun without harm. This has since become the global standard for measuring the protection level against UVB rays, which are widely agreed to be the primary cause of sunburn and skin cancer.
From beaches to daily routines
For many years, the only time SPF sun creams came on our radar was when we jetted off on our holidays or headed to the beach for a day out. These products were formulated to hold up to the rigours of water and sweat and provide a shield against intense sun exposure.
But as scientific research expanded our understanding of the increasing effects of daily UV exposure, the beauty industry began to recognise the need for daily protection, whatever the weather.
The rise of multifunctional products
In the late 20th century, consumer attitudes towards skincare shifted and people became more health and ageing conscious. The link between UV exposure and skin ageing created a demand for multifunctional products that offered skincare benefits as well as protection against the sun.
This demand ushered in the use of SPF in various beauty products, including moisturisers, foundations, and serums.
Advances in formulation technology played a crucial role in this transition. Early SPF products were often heavy and left a white cast on the skin due to titanium dioxide and zinc oxide, which remained on the skin’s surface rather than being absorbed.
Formulations on the market now have vastly improved in terms of texture, appearance, and efficacy, and are now developed to be lightweight and easily absorbed into the skin, making daily application more appealing for consumers.
To give you an idea of the broad range of SPF inclusive products on the market, here are some of our top picks…
La Roche Posay
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