A recent analysis of sunscreens made by L'Oreal and Nivea (among other manufacturers), including those containing Mexoryl, has shown that they fail to provide their stated SPFs.
One formula, Marks and Spencer's Sun Formula Lotion, was found to provide an SPF less than half its advertised protection.
As a general rule, you cannot indiscriminately rely on any sunscreen to provide considerable protection against aging or skin cancer.
These facts are reflected in:
Typically, individuals use sunscreens which are inadequately protective both by virtue of their formulation (the responsibility or work of the manufacturer) and their application (the responsibility of the user, whom routinely applies around one fifth the required quantity).
A comparison of the photoprotective ability of 33 sunscreens from a range of makers including Decleor, Dermalogica, Clinique, Yonka, Pevonia, Ego, La Prairie, Jan Marini, Skinceuticals and IS Clinical is made in the Comparison of 33 Sunscreens Document.
Individuals should not generally and automatically rely on or expect considerable skin cancer or aging prevention just by possessing sunscreens.
The majority of people are using sunscreens with the impression that they are extremely effective (no matter which formula is chosen or how much is used), yet they achieve:
Individuals living in Northern Australia, where UV is more intense, may do better to not use photosensitizing skin care if they are unable to verify their sunscreen use is beyond reproach.
Unfortunately, the latent benefits of regular sunscreen use remain largely theoretical.
Popular Hamilton sunscreens are always a poor choice.
For further information, refer photoprotection, photoaging, sunscreens, cowardly photoprotection, mature skin analysis, sunscreen around the eyes and different sunscreens provide different skin protection.