Skandapurana 5.110.64

5.110.64

tataḥ śuśrāva tāpasyaścatasro'tra suniḥspṛhāḥ ..
valkalājinadhāriṇyo na tasyāḥ pārśvamāgatāḥ ..
na cānyā bhūṣitā dṛṣṭvā cakrurīrṣyāṃ kathaṃcana .. 64 ..

Then she heard that there were four female ascetics here who were completely free from desire, / wearing bark and antelope skins, who had not approached her, / nor, seeing the others adorned, had they shown any jealousy whatsoever.