Conclusion of the hair-blackening preparations

The author says he has set out, by the rule of the texts and from the tradition of the doctrine, the hair-blackening preparations taught by the siddhas (the commentary: revered teachers and sages), proven by their own experience or sure to bear fruit; these causes of youth, well understood and made by rule, should be given with compassion to virtuous friends. The subject that brings wealth (artha) is announced next.