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Parabének a kozmetikumokban

A parabén egy tartósítószer, amelyet gyakran használnak a kozmetikumokban, hogy a lehető leghosszabb ideig megőrizzék és biztosítsák a termék mikrobiális stabilitását. A parabéneknek köszönhetően a kozmetikumok akár két évig is eltarthatók, egyik összetevőjük sem romlik meg, nem szaporodnak el bennük a baktériumok és nem penészesednek be. Ez azonban egy vitatott anyag, egyes tanulmányok a parabének káros hatására utalnak. A parabének befolyásolhatják a hormonális aktivitással kapcsolatos folyamatokat a szervezetben, de közvetlen káros hatása még nem bizonyított. Kozmetikai termékekben való felhasználásuk biztonságosnak tekinthető, hiányuk azonban problémákat okozhat, ha a termék más, rosszabb tartósítószereket tartalmaz, vagy ha a tartósítószerek nélküli terméket baktériumok szennyezik be, amelyek rontják a termék minőségét, ezáltal veszélyeztetik az egészséget. A leggyakoribb anyagok ebben a csoportban a metilparaben E218, az etilparaben E214, a propilparaben E216 és a butilparaben.