Comedones are clogged sebaceous gland openings and are often seen as a more or less dominant part of acne (pimples), but are also typical of other skin conditions.
Solar comedo is not related to acne, but is also typically seen on the face after many years of sunbathing.
Comedones are also part of the picture in the inflammatory condition hidradenitis, which also causes boils in the skin holder.
Comedones in acne have several causes like acne in general.
Other conditions with comedones are again other causes.
Heredity plays a role in both acne and hidradenitis.
Oily creams can aggravate comedones and sometimes be the cause alone; pomade acne.
In case of comedone acne, retinol creams (adapalene, trethionine) are used.
Azelaic acid and benzyl peroxide are also treatment options.
In severe comedone acne, treatment with isotretionine tablets is appropriate.
Fatty creams should be avoided as these can worsen the problem of clogging.
In the case of solar comedones, it is recommended to limit further sun exposure, avoid smoking and greasy creams.
Comedones athidradenitisis only part of the disease picture.