Even with our test subjects just sitting on a chair in a T-shirt, we saw substantial reductions in the level of sun protection, so we don't think you can rely on once-a-day sun cream to keep you protected all day. Ranging from 0 to 5, this scale measures the amount of protection the formula offers against UVA radiation. Any products that fail either test are subject to a repeat test. If a product passes the second test, we'll do a third to determine the final results.

Avoid getting caught out by sunburn. Use shade, clothing and a sunscreen with an SPF of at least 30 to protect yourself.

Piz Buin Moisturising Sun Lotion SPF 30

This isn’t the first Don’t Buy we’ve seen while testing sun creams in recent years. In 2022 we tested five mineral sunscreens and they all failed key sun safety tests. Avon's response

Type of Sunscreen: Mineral & Chemical SPF Factor: 50 Water- Resistant: Yes Size: 200ml Star ingredients: Tinosorb A2B (advanced sunscreen) Vegan: Yes Both the adult and kids versions of this spray contain the humectant glycerin, meaning they all have hydrating and moisturising properties too. Featuring SPF 50, you simply spray the sun cream before or after applying makeup to be protected against UV rays, free radicals in pollution and, with its infusion of vitamin E, even dehydration.Do not spend any longer in the sun than you would without sunscreen. What are the SPF and star rating? There is no evidence to suggest this. A recent study showed that even with regular and appropriate application of sunscreen there was excellent synthesis of Vitamin D. If you like to spend your holidays in the pool or sea, then the Bondi Sands Hydra UV Protect is perfect as it’s water resistant for up to four hours (Bondi recommends you reapply after two hours when swimming). It also contains ethically sourced algae to keep your skin hydrated. UVA tests - we coat a glass plate with sun cream and then use a spectrophotometer to record the amount of UVA absorbed by the sun cream.