18841- Sun Protection Factor Assay

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

- Signed and dated Informed Consent Form

- Signed and dated 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.