- Serums are known to lock down the moisture and moisturise hair, making it healthy while ensuring it doesn't look as brittle and feels smoother. Disadvantages ...

- Serums are known to lock down the moisture and moisturise hair, making it healthy while ensuring it doesn't look as brittle and feels smoother. Disadvantages ...

Hair serums are formulated for your hair shaft and not for the roots. ... They can cause breakage and hair fall. Some hair serums can dry out hair. To stay ...