This study found that a hair tonic formulation containing 1.5% light fraction patchouli oil demonstrated strong antifungal activity against Malassezia globosa and promoted hair growth in rabbits, suggesting potential benefits for hair care despite the need for human clinical trials to confirm safety and effectiveness.
19 citations
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April 2015 in “International Journal of Molecular Sciences” This study identified distinct gene expression patterns in wool follicle bulbs that may play important roles in wool follicle cycling and regeneration in sheep.
February 2010 in “Journal of The American Academy of Dermatology” Mimicking growth factors in a topical solution can prolong hair growth phase and reduce hair loss without side effects.
9 citations
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October 1989 in “Australian Journal of Agricultural Research” This study found that infused mouse epidermal growth factor induced wool follicle involution through a quasi-physiological process similar to catagen and a separate pathological action, resulting in fleece 'break' or shedding.
March 2024 in “International Journal of Cosmetic Science” This study observed that dandruff-affected scalp skin has increased T-cell infiltration in the epidermis and a reduction in the hair follicle's physiological immune privilege, particularly in the suprabulbar outer root sheath area, indicating a distinct immune microenvironment compared to healthy scalp.