Deodorant isn’t traditionally a hotbed of innovation: for the most part, ‘women’s’ products don an unremarkable raft of white packaging (freshness!); blue, pragmatic type; and vague, rarely-kept promises about lasting for 72-hours. For the men, packs are sombre shades of black, dark blue, or grey (manly!) and just as drearily practical as the women’s. Deodorant, ...