It is narrated from Hazrat Mu'adh (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: The people of Paradise will enter in such a state that there will be no hair on their bodies, they will be beardless, their eyes will be kohl-lined, and they will be people of thirty or thirty-three years of age.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 22106
Hadith Gradingحکم دارالسلام:حسن لغيره، وهذا إسناد ضعيف لضعف شهر بن حوشب