Sunscreening Agents

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 and female.
 - Aged between 18-70 years old.
 - Good health as determined from the HRL SHF (Subject History Form).
 - Signed and dated Informed Consent Form.
 - Signed and dated HIPAA (Health Insurance Portability and Accountability Act) form.
 - An unambiguous MED (Minimal Erythema Dose) 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.