'Abdul-'Aziz ibn Qays said, "I visited 'Abdullah ibn 'Umar while a slavegirl was shaving his hair." He said, "The limestone depilatory makes the skin supple."
الأدب المفرد ١٢٩١:
دَخَلْتُ عَلَى عَبْدِ اللهِ بْنِ عُمَرَ وَجَارِيَةٌ تَحْلِقُ عَنْهُ الشَّعْرَ وَقَالَ النُّورَةُ تُرِقُّ الْجِلْدَ