negative regulation of hair cycle
Any process that stops, prevents, or reduces the frequency, rate or extent of the cyclical phases of growth (anagen), regression (catagen), quiescence (telogen), and shedding (exogen) in the life of a hair. [ http://www.ncbi.nlm.nih.gov/pubmed/12230507 GOC:go_curators ]
Synonyms: down-regulation of hair cycle, down regulation of hair cycle, downregulation of hair cycle