PPARA and lichen planopilaris: These facts have led researchers to experiment with different drugs with thepotential to stimulate PPARγ in vitro in the treatment of LPP and also aimingto develop therapeutics of fibrotic processes in different organs.28,30-33,35-37,43-46 However, PPAR activity in hair follicles have not beeninvestigated in relation to hormonal changes typical of adrenopause.