The Effect of Topical Sunscreen Plus Antioxidant Against the Visible Light Biological Effects

The Effect of Topical Sunscreen Plus Antioxidant Against the Visible Light Biological Effects

Visible light is known to induce pigmentation in darker skin types. The investigators aim to study the effects of visible light on the skin after topical application of sunscreen plus antioxidant.

Inclusion Criteria:

• Patient age 18 and older
• Patients Fitzpatrick skin phototype IV-VI
• Patient able to understand requirements of the study and risks involved
• Patient able to sign a consent form

Exclusion Criteria:

• A recent history of vitiligo, melasma, and other disorders of pigmentation with the exception of post inflammatory hyperpigmentation
• A known history of photodermatoses
• A known history of melanoma or non-melanoma skin cancers
• Those planning on going to the tanning parlors
• Using any of the photosensitizing medication within the visible light range or additional medications at the discretion of the investigator (examples include (but not limited to) thiazide diuretics, regular use of NSAIDs, hydroxychloroquine, or voriconazole)
• A woman who is lactating, pregnant, or planning to become pregnant
• Patient planning on exposing the irradiated or control areas to the sun
• known allergy to anesthetics (lidocaine or epinephrine)