Foam penetrates deep to kill to bed bugs and their eggs. One of the longest residual kills on the market, killing bed bugs for up to 8 weeks. Efficacious against Pyrethrin resistant bed bugs. Non-staining. Apply on and around bed frames, headboards, floors, carpeting, baseboards, furniture, moldings, ceilings and walls. For infested mattresses, apply to tufts, folds, edges, sides and seams until moist. Allow to dry before remaking the bed. For infested furniture, apply only to tufts, seams, folds and edges.