Thank you for reaching out to us.
It is best to use a dandruff shampoo sometime ahead of mikveh night (or on a regular basis, if necessary) to keep dandruff under control. When
preparing for mikveh, it is sufficient to wash and comb your hair properly. Anything left after that is not a
chatzitzah (barrier to immersion).
Please let us know if we can be of further assistance.
This response was updated on 11 November, 2025.