Cold-pressed rapeseed oil is most resistant to oxidation and certain oils may reduce chronic disease risk; consumers like the taste of pumpkin oil best.
July 2023 in “International journal of trichology” Injectable platelet-rich fibrin may stop hair loss from Discoid lupus erythematosus.
April 2023 in “Journal of dermatological treatment” Ixekizumab successfully treated a rare hair loss condition, leading to complete hair regrowth.
January 2022 in “Indian Journal of Psychiatry/Indian journal of psychiatry” Lithium for bipolar disorder can cause skin problems like rashes, which go away when the medication is stopped.
January 2022 in “Indian dermatology online journal” Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
August 2021 in “Journal of skin and stem cell” Skin symptoms could help in early COVID-19 diagnosis but more research is needed to confirm their reliability.
January 2020 in “JAAD case reports” Systemic mastocytosis may cause a type of hair loss called cicatricial alopecia.
February 2023 in “Journal of Cutaneous Pathology” 
113 citations,
June 2019 in “F1000Research” Scarless healing is complex and influenced by genetics and environment, while better understanding could improve scar treatment.
79 citations,
January 2018 in “Wiley Interdisciplinary Reviews-Developmental Biology” Understanding how baby skin heals without scars could help develop treatments for adults to heal wounds without leaving scars.