The Forehead Gland Formula - Synthetic Scrape Branch Deer Scent outperforms real scents beca The Forehead Gland synthetic formula deer scent brings Bucks & Does to overhanging branches at natural and mock scrapes. Stimulate fresh forehead gland deer activity. Directions: Apply to tips of branches over the scrape and to any nearby buck rubs as bucks deposit forehead gland scent on rubs. Regular use will encourage bucks and does to re-visit scent site and scent mark with their own scent. Start well before season by making mock scrapes and using trail cameras. Works with scent drippers and scent containers. Forehead Gland Formula is refreshed by moisture. Lasts months, not hours!