43 citations,
October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.
32 citations,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Most women preferred the 1% pyrithione zinc shampoo for better hair smoothness and less frizz while controlling dandruff.
16 citations,
December 2008 in “International Journal of Dermatology” Long-term use of pyrithione zinc shampoos remains effective for scalp seborrheic dermatitis, with decreased effectiveness likely due to not following treatment instructions rather than the treatment itself.
57 citations,
August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
2 citations,
August 1994 in “Archives of dermatology” A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.