Natyashastra
अश्रुप्रमार्जने तिलकविरचनं रोचनयालम्भकं च त्रिपताकानामिकया स्पर्शनमलकस्य कार्यञ्च ॥ ३२॥
For wiping off tears, drawing a Tilaka, applying collyrium, and touching the hair, the third finger of the Tripatāka hand should be used.
english translation
azrupramArjane tilakaviracanaM rocanayAlambhakaM ca tripatAkAnAmikayA sparzanamalakasya kAryaJca ॥ 32॥
hk transliteration by Sanscript