How much sunscreen you need to apply, according to dermatologists
Most people only apply 25 per cent of the suggested amount
8 best aftersun products to soothe and repair sun-damaged skin
Keep skin hydrated and protected with our pick of the best aftersun lotions on the market
Sunscreen users 'get less than half the sun protection they think'
Scientists recommend using creams with even higher SPF to avoid risk of skin cancer