Inclusion Criteria:

• Must be male or female 18 to 70 years of age
• Must give written informed consent
• Must be in good general health as determined by the study investigators
• Must be available for the seven day duration of the study
• Must have 2 hypersensitive teeth which must meet ALL of the following inclusion criteria:

Be anterior to the molars and demonstrating dentin exposure due to cervical erosion/abrasion or gingival recession.

Have a qualifying dentin hypersensitivity response to tactile stimuli applied to the cervical surface (gingivo-facial 1/3) as defined by a response score between 10-50grams of force (Yeaple Probe, XiniX Research Inc. Portsmouth, NH, USA).

-Have a qualifying dentin hypersensitivity response to air blast stimuli applied for one second to the cervical surface (gingivo-facial 1/3) as defined by a score of 2 or 3 on the Schiff Cold Air Sensitivity Scale

Exclusion Criteria:

• Allergies to oral care products, personal care consumer products, or their ingredients.
• Use of a desensitizing oral care product or recipient of desensitizing treatment within three months prior to start of the study.
• Gross oral pathology, advanced periodontal disease or treatment for periodontal disease (including surgery) within the past twelve months.
• Sensitive teeth with a mobility greater than one.
• Teeth with extensive/defective restorations (including prosthetic crowns), suspected pulpitis, caries, cracked enamel, or used as abutments for removable partial dentures.
• Current use of anticonvulsants, antihistamines, antidepressants, sedatives, tranquilizers, anti-inflammatory drugs, or daily use of analgesics
• Participation in any other oral clinical studies for the duration of this study
• Full or partial removable oral prostheses
• Pregnant or lactating (breast feeding)
• Allergies to oral care products, personal care consumer products, or their ingredients.
• Medical condition which prohibits not eating/drinking for 4 hours