RUDRAKSH RUDRAKSHA FOUR 4 FACET OR 4 MUKHI BLESSED & ENERGIZED HINDU TIBETAN BUDDHIST PRAYER BEAD FOR KNOWLEDGE, WISDOM AND ENERGY Rudrakshas can have a very long life, known to last up to eight generations. They are considered sacred and need to be treated with respect and care. They will naturally turn darker with your own body oil.. this is the desired effect as they will grow stronger. Wash them occasionally to remove dirt and dust. BLESSED & ENERGIZED- Should Keep in a place of sanctity.