Ask DrJProfessional and Nails GuardAsk Dr. JAsk DrJDrJPERQUEPERQUE Bone Guard FortéPERQUE HairSkin Why is strontium included in PERQUE Bone Guard Forté and PERQUE Hair, Skin, and Nails Guard? DrJ Dr. Russell Jaffe (DrJ) on why strontium is included in PERQUE Bone Guard Forté™ and PERQUE Hair, Skin, and Nails Guard™?Share this:FacebookXPinterestLinkedInReddit