When caring for a client with a colostomy, which topical skin preparation should the practical nurse (PN) apply around the stoma?

A. Cornstarch: Not used; may harbor bacteria and irritate the skin. B. Petroleum jelly: Can interfere with the adherence of the colostomy pouch seal. C. Stoma adhesive product: Creates a protective barrier to prevent skin breakdown and ensures a secure pouch seal. D. Antiseptic cream: Can be irritating to peristomal skin and interfere with pouch adhesion.