SUN CARE 41 Formulation based optimization provides a
pathway to maintain high protection levels while navigating these regulatory constraints. Enhanced film formation also contributes to improved SPF performance. Emollients that support cohesive, uniform films help ensure that organic filters remain evenly distributed on the skin, reducing gaps and improving overall protection. This is especially important for daily wear products, where consumers expect high protection without heavy textures or visible residue.
Film formation as a cornerstone of protection Film formation is one of the most critical aspects of sunscreen performance. A strong, cohesive film ensures that UV filters remain evenly distributed across the skin’s surface, providing consistent protection. It also contributes to water resistance, durability during wear, and resistance to mechanical stress such as rubbing or sweating. Materials that enhance film formation
can significantly improve the performance of both mineral and organic sunscreens. Comparative studies often show that certain emollients match or exceed the occlusivity of traditional benchmarks such as mineral oil or octyldodecanol. These materials reduce transepidermal water loss (TEWL), indicating strong barrier reinforcement and cohesive film formation. In sunscreen sticks and emulsions, enhanced
film formation translates into higher water resistance values and more stable protection during prolonged outdoor exposure. This is particularly important for sports sunscreens, beach products, and high SPF daily wear formulations. Consumers increasingly expect sunscreens to remain effective under challenging conditions, and film forming materials play a central role in meeting this expectation.
Sensorial excellence for daily application No matter how protective a sunscreen is, it will not be used consistently if it does not feel good on the skin. Sensorial performance is therefore a key driver of daily SPF compliance. Modern consumers expect sunscreens to be lightweight, nongreasy, and easy to spread, with a smooth, elegant finish that integrates seamlessly into their skincare and makeup routines. Emollients with high lubricity and smooth
application profiles help achieve these sensory goals. They minimize stickiness during application and create a soft, cushioning feel on the skin. These qualities are especially important in high SPF products, which often contain high levels of UV filters that can make formulas feel heavy. In tinted sunscreens and hybrid sun-makeup
products, pigment dispersion is another critical factor. Efficient dispersants improve colour intensity, reduce feathering, and enhance optical clarity. They also reduce the amount of dispersant
www.personalcaremagazine.com
July 2026 PERSONAL CARE MAGAZINE
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