Uthman bin Abdullah bin Rafi' (may Allah have mercy on him) narrates that he saw Sayyiduna Abdullah bin Umar, Sayyiduna Abu Sa'id al-Khudri, Sayyiduna Jabir bin Abdullah, Sayyiduna Abu Usayd al-Sa'idi, Sayyiduna Anas bin Malik, Sayyiduna Rafi' bin Khadij and Sayyiduna Salamah bin al-Akwa' (may Allah be pleased with them) trimming their moustaches very short, plucking their armpit hair and clipping their nails.
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6191