Hair FolliOvernight hair masks can help support moisture and softness,
particularly for dry or damaged hair.
However, leaving treatments on too long
may not suit every hair type or formulation.
Understanding how different masks interact with the hair and scalp
can help improve results and avoid unnecessary buildup.
This guide explains the balance clearly:
https://hairfolli.com/blogs/news/is-it-bad-to-leave-a-hair-mask-on-overnight-the-safe-way-to-do-it
