Bad hair days be gone. The TRESemmé Day 2 Mobile Refresh Salon hits London on Friday 13th March, helping to rescue time-poor Brits from greasy roots and tangled locks. From 7:00 am until 7:00 pm, busy commuters in Kings Cross will be able to stop in at the TRESemmé Day 2 Mobile Refresh Salon to revive their hair with a complimentary 15-minute dry style, featuring products from the newly launched Day 2 Refresh & Revive range from TRESemmé. Alongside a…