mfundo:

Derma roller ndi chida chokongola chomwe chitha kugwiritsidwa ntchito koma sichimangokhala pazinthu izi:
1. Kusamalira khungu: Zodzigudubuza za Derma zimatha kulimbikitsa kusinthika kwa maselo a khungu, kuonjezera mbadwo wa collagen ndi ulusi wotanuka, kusintha khungu ndi kusungunuka, ndi kuchepetsa maonekedwe a mizere yabwino ndi makwinya.
2. Chithandizo cha ziphuphu zakumaso: Zodzigudubuza za Derma zingathandize kuti magazi aziyenda m’dera la ziphuphu zakumaso, kulimbikitsa kukula kwa maselo atsopano a khungu, ndi kuchepetsa kuoneka kwa zipsera.
3. Kutsitsimuka kwa tsitsi: Zodzigudubuza za Derma zimatha kulimbikitsa kuyenda kwa magazi a pamutu, kulimbikitsa kupereka zakudya zamagulu a tsitsi, ndi kulimbikitsa kusinthika kwa tsitsi.
4. Chepetsani mtundu: Zodzigudubuza za Derma zingathandize kuti magazi aziyenda m’madera okhala ndi mtundu wa pigment, kulimbikitsa maselo atsopano a khungu, ndiponso kuchepetsa maonekedwe a mtundu.
5. Limbikitsani kuyamwa kwazinthu: Zodzigudubuza za Derma zimatha kulimbikitsa tinjira tating'ono pakhungu, kuwonjezera kulowa kwazinthu, ndikuwongolera mayamwidwe azinthu zosamalira khungu.