John Frieda Luminous Colour Glaze Clear Shine (£6.99)

A fab colourless shine-booster that helps improve hair's texture and shine. Apply after shampooing and conditioning for three minutes and rinse. Can also be used as a weekly shine-surge treatment by applying to dry hair and leaving for 20 minutes before shampooing as normal.

Available at all major retailers or visit www.johnfrieda.co.uk for more information.