Hair serum protects the hair from damaging factors like pollution,
dust, styling tools and humidity. This act as a shield to the hair and
prevents the dryness. Hair serum acts as a good conditioner for hair.
Oil will make the hair greasy and stick to scalp .In this condition it is
better to use serums. Streax, Loreal, Livon serums etc. are best
available products for use.