Makeup (mini sizes), hand cream, mirror, wet wipes, hand sanitiser, spare phone charger, gum, tissues, sanitary towel, lip balm, pen, comb, hair bands, folding shopping bag, earphones, cash, spare Oyster card, painkillers, spare contact lenses, plasters, wallet.
Oyster card, phone and keys go in my coat pocket as I like being able to reach for them quickly.