إِلَّا عَلَى أَزْوَاجِهِمْ أَوْ مَا مَلَكَتْ أَيْمَانُهُمْ فَإِنَّهُمْ غَيْرُ مَلُومِينَ
(except from their spouses or their slave women, for then they are not blameworthy;
Agha Ali Puya Commentary
Commentary on Quran 23:6
[Pooya/Ali Commentary 23:6] The healthy, desirable and lawful fulfillment of sexual desires are mentioned in this verse. In addition to wives those women whom "the right hands possess" are lawful, please refer to the commentary of Nisa: 2.