SPF boosting with fibrillated cellulose

Fibrillated cellulose can be used as an alternative to synthetic polymers and potential microplastics as a stabiliser of sun care formulations. They also act as an SPF booster of mineral and hybrid mineral and chemical sunscreens, allowing the reduction of UV filter concentration in the formulation while maintaining the level of protection desired

The global market size of sun protection products is estimated at $11.9 billion in 2022, and is expected to grow at a CAGR of 8.7% over the period 2022-2030.1 The market growth can be attributed to the rising awareness of healthrelated risks of UV exposure such as skin cancer and accelerated ageing, along with increased outdoor activities since COVID-19 which has increased the demand for protecting the skin.

As consumers are more aware about skin-ageing concerns, protection from UVA, which causes premature ageing, is also becoming increasingly in demand in addition to UVB protection (responsible for melanoma). Therefore, an ideal sunscreen is one that offers high level of protection (SPF 50) and absorbs UV light effectively over a broad spectrum at low concentrations to minimize irritation.3

The sunscreen formulation challenge

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