The King C. Gillette Beard Thickener is a serum that makes men’s beards look and feel noticeably thick. Infused with Vitamin B3 (Niacinamide), Pro-Vitamin B5 (Panthenol), argan oil, and caffeine, King C. Gillette beard thickener coats, strengthens and thickens each strand to protect against breakage and make beards look full. King C. Gillette Beard Thickener also conditions hair to soften and smooth edges for comfort. Plus, it has a lightweight fast drying formula that soothes and cools skin with the fragrance of our signature scent. To use, dispense a small amount onto your hand, then rub it onto your beard.