LADUORA Boost Duo Pod Refills in Beauty: NA. LADUORA Boost Duo Pod Refills in Beauty: NA. The BOOST DUO POD is a breakthrough in hair thinning. Designed for men and women alike experiencing the signs of hair thinning or fallout, this ultra-lightweight, water-based formula is packed with a proprietary complex of vitamin B3, caffeine, peptides, blue tansy, and green tea leaf extract to boost cell renewal for thicker-looking, stronger-feeling hair.. Niacinamide also known as vitamin B3, is a multi-tasking ingredient to help increase the synthesis of keratin and prevent inflammatory induced hair loss. Caffeine stimulates hair follicles and increases oxygen-rich blood circulation for a healthier scalp, promoting hair growth straight from the root. Copper Peptide has been found to block DHT (#1 cause of male and female hair loss) and has a similar result on hair growth as minoxidil treatments, without the side effects. Pack of 2 Please note, DUO 4-in-1 Scalp & Hair Care Device sold separately. When using the device (sold separately) for the recommended 5 minutes treatment time, a DUO elixir pod can last approximately 10-12 applications.. LUOR-WU3. 676737072827.