pjur superhero Delay Serum Concentrated delay serum for men. Forms a protective film that can reduce oversensitivity without numbing. Reduces hypersensitivity of the penis – without numbing! New protective, invisible film Concentrated delay serum for men The innovative delay serum for men. The gel creates a protective film over the penis which can reduce sensitivity without numbing. This can help prevent premature ejaculation. The serum can be used every day and is compatible to use with latex condoms. It also works perfectly with all pjur personal lubricants.