Imagine a sunscreen that could bounce back after rubbing, sweating, or a swipe of your sleeve. That’s the innovation behind Lancôme’s upcoming UV Expert Xtreem Shield SPF 50+, featuring self-repairing UV technology developed by L’Oréal Research & Innovation Japan.

At the heart of this new formula is a unique system of polyionic complex gel particles (PGP). These structures allow for a more even distribution of UV filters in an oil-in-water base, enhancing UV protection without the heavy or greasy feel often associated with high-SPF products. Despite a higher oil content, the result is a refreshingly lightweight texture.

But the standout feature is the formula’s ability to reorganize itself after friction, creating a UV-protective film that resists breakdown. This “self-repairing” function enhances the durability of sun protection, especially in real-life conditions like humid weather or active lifestyles. Interestingly, the shine-control effect of the formula actually increases with exposure to sweat and sebum, thanks to the film’s microstructure that scatters light.

While traditional sunscreens tend to lose uniformity throughout the day, this one aims to stay intact longer, reducing the need for constant reapplication and helping users maintain consistent coverage.

Early testing also showed brightening benefits: after 12 weeks, over 70% of participants in a trial group noticed improvement in the appearance of dark spots.

As this tech rolls out with Lancôme’s April launch, it could mark the start of a broader shift in SPF innovation where durability, wearability, and skin feel are no longer trade-offs for high protection.

Source: Amanda Lim. “Lancôme’s new sunscreen to feature self-repairing UV tech.” CosmeticsDesign-Europe, 18 March 2025.