Aldi’s Lacura Sensitive Sun Lotion SPF50+, which costs £2.99 for 200ml, was found to protect the skin from both UVA and UVB rays. Cien Sun Spray 30 SPF High (£3.79/200ml), from fellow discounter Lidl, ...

Consumer watchdog Which? tested 15 popular SPF50 and SPF30 products from high-street names and supermarkets, using strict international safety standards.