Yes, you do, in fact, need to be applying sunscreen to your lips ... So, with all of that in mind, you best get adding an SPF lip balm (or two) to your online shopping basket.
The model tested with the highest proportion was Palmers’ Cocoa Butter Formula Ultra Moisturising Lip Balm Sunscreen Stick, at 40.8 per cent. The long-chained MOSH mixtures in 14 models failed ...