The association estimates most of us only apply half of this amount, which means we're often less protected than we think we are. Use in the water - Calypso warns that even ‘water-resistant Once A Day sunscreens’ can still be washed off if you spend a long time in the water, or if you dry yourself with a towel.

Over the course of a day, he added, 'swimming, drying, sweating, getting dressed and undressed' can cause sun cream to be wiped or washed away. Avoid sun exposure between 11am - 3pm. Seek shade and always protect children with a hat, loose clothing and high SPF protection. The regular reapplication advocated by most sunscreens protects us against this,’ he says. To apply sun cream properly you should: Professor Brian Diffey adds that sun creams generally offer ‘very good’ water resistance these days (though be aware water resistance claims also come with caveats, and the products we tested didn't hold up well to real-life conditions in our 2016 investigation), which is good if you're planning on spending time in the pool or in the sea. But over the course of the day swimming will wash away some of the protection. Once a Day SPF40 Sun Protection (150ml) is water resistant so only one application is needed for the whole day. The formula provides protection from the sun’s damaging rays and is specially enhanced and designed to protect children’s delicate skin.

Boots Soltan Kids Once, Calypso Once a Day and Riemann P20 Once a Day are among the brands we've found claiming to offer all day protection.

Mineral sunscreens fail Which? SPF and UVA tests - find out what happened when we put pricey mineral formulations to the test in our independent labThe only bad thing is it smells quite strong, like ammonia. So avoid your eyes! My first day I rubbed it all over my face and my eyes watered all day but from then I just avoided my eye area and it was great. Some regular sun creams also make my eyes water. So, if you are only applying your sunscreen once a day, you are at risk of spending hours in the sun with little or no protection to those areas of skin that may have been missed.' Apply evenly and generously to all exposed areas 15 minutes before sun exposure, then rub in well to allow the product to bind with the skin and form a protective film against UVA and UVB rays.

Important: Read the instructions carefully before use. Apply to clean dry skin, preferably after a shower. Apply evenly and generously 15 minutes before exposure to the sun, which will allow the product to bind with the skin and form a protective film against UVA/UVB rays. When used correctly, one application is sufficient for all day protection. I had difficulty getting hold of my usual day-long sun cream so took a chance on this. . As others have said, it’s a gel and not a cream, but it absorbs super fast and it’s easy to apply. 2 weeks in day-long sunshine over 30 degrees and I have a good tan and no sunburn. I also usually suffer from heat rash but not with this product. Apply evenly and generously to all exposed areas 15 minutes before sun exposure to the sun, rubbing in well to allow the product to bind with the skin and form a protective film against UVA and UVB rays Apply evenly and generously, smooth in gently. We recommend a minimum quantity of 35ml for all over body protection. Constantly re-applying sun cream when you're out and about can be a real chore, especially if you're trying to keep wriggly kids protected.Always be aware of the strength of the sun. Never exceed sun exposure for longer than your skin allows. Remember - all skin types are different. Apply a generous amount of sun cream - around one teaspoon per body part - at least 15 minutes before you go into the sun so it soaks in. Professor Brian Diffey recommends applying sun cream like you would paint to a wall - you'd rarely just do one coat. Two coats of paint are almost always required for satisfactory coverage. In the same way two coats of sunscreen may be required for adequate protection,' he said.