Skanda Purana — Brahma Khanda, Shloka 58
अलाभे दंतकाष्ठानां निषिद्धे वाथ वासरे । गंडूषा द्वादश ग्राह्या मुखस्य परिशुद्धये
alābhe daṃtakāṣṭhānāṃ niṣiddhe vātha vāsare | gaṃḍūṣā dvādaśa grāhyā mukhasya pariśuddhaye
Bila kayu siwak tidak diperoleh, atau pada hari yang dilarang, demi penyucian sempurna mulut hendaknya dilakukan dua belas kali gaṇḍūṣa (berkumur dengan mulut penuh).
Sūta (deduced, Brāhma Khaṇḍa narration style)
Scene: A traveler at a riverside or rest-house without a tooth-stick performs repeated mouth-rinses from cupped hands, counting twelve with prayer beads or finger-counting.
FAQs
Dharma provides alternatives: when a standard practice is restricted, a permitted substitute preserves purity.
No tīrtha is mentioned; it is a practical rule for daily purification.
If tooth-sticks cannot be used, perform twelve gaṇḍūṣas (mouth-rinses) to purify the mouth.