Sayyiduna Mu'adh bin Jabal (may Allah be pleased with him) states that he asked the Prophet (peace and blessings be upon him), or perhaps he heard the Prophet (peace and blessings be upon him) saying: "When the people of Paradise enter Paradise, there will be no hair on their bodies, their eyes will be adorned with kohl, and they will be thirty years of age."
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب أهل الجنة / 18655
Hadith Gradingمحدثین:إسنادہ حسن ولکن عند الشواھد حدیث صحیح، ولہ شاہد
Hadith Takhrij«اخرجه احمد فى المسند (243/5) ، أخرجه مسند أحمد برقم: 21601»