11 citations,
November 1996 in “Pediatric dermatology” Trichostasis spinulosa can look like acne but usually affects adults, not children.
19 citations,
December 1985 in “Journal of The American Academy of Dermatology” Minoxidil can cause scalp comedones and acne.
44 citations,
January 1999 in “Dermatology” Nevus comedonicus is a rare skin condition with grouped open pores, sometimes linked to other body issues.
2 citations,
August 2014 in “Journal of dermatological science” Adapalene 0.1% effectively reduces acne by decreasing comedones and altering skin properties.
February 2021 in “Pakistan Armed Forces Medical Journal” A rare skin condition usually found near the eyes was found on a farmer's scalp.