Anandakanda 1.9.56

1.9.56

valīpalitanirmuktastrikālaviṣajidbhavet /
<svarṇābhrakarasāyanam>
pūrvavanmārayetsvarṇaṃ tasmād dviguṇamabhrakam //

he is liberated from wrinkles and gray hair and overcomes poison at all times.
<Gold and Mica Rejuvenation>
One should kill gold as before, and mica twice as much as that.