Boots, Good Housekeeping There are few beauty brands that do it as ‘right’ as Clarins. With skincare, makeup and fragrance on offer, its appeal spans widely. The Duchess of Cambridge has been spotted with one of its tinted lip balms, and the Queen is said to favour Clarins’ Hand and Nail Treatment Cream, too.And now, one of Clarins’ bestselling products has just turned 40. Clarins’ Beauty Flash Balm, £34, has recently had a reformulation, and according to our editors and the fanfare online, the product has never been better.