Inclusion Criteria: - Fitzpatrick Skin Type l, ll and/or lll for UVB testing. Fitzpatrick Skin Type ll, lll and/or lV for UVA testing. - Male or female - Aged between 18-70 years old. - Good health - Signed and dated Informed Consent Form - Signed and dated Health Insurance Portability and Accountability Authorization (HIPAA) Form - An unambiguous MED or MPPD (Minimal Persistent Pigment Darkening Dose) Exclusion Criteria: - Subjects on test at any other research laboratory or clinic. - Known allergy or sensitivity to sunscreens, cosmetics and toiletries, topical drugs and/or ultraviolet light. - PRe-existing dermatologic conditions which have been diagnoses by a medical professional (e.g. psoriasis, eczema, etc.) which would interfere with this study. - Pre-existing other medical conditions (e.g. adult asthma. diabetes). - Treatment with antihistamines or corticosteroids within one week prior to initiation of the test. - Treatment with antibiotics within two weeks prior to initiation of the test - Chronic medication which could affect the results of the study. - Known pregnant or nursing women.