Trust your sunscreen with caution: A literature review on the side effects of sunscreen

Natural Sunscreen Agents: A Review

The exposure of skin to ultraviolet B (UVB) radiation has a destructive effect on keratinocytes by causing DNA damage that can subsequently lead to malignant transformation. Cellular defense mechanisms against this injury begin with the immediate UVB-induced death of damaged cells. In less severely affected cells, cell-cycle progression can be blocked and DNA damage can be repaired through nucl...

The effects of sunscreen on marine environments.

The Effects of Sunscreen on Cyanobacteria

Ultraviolet-filters found in various manufactured cosmetic products have been detected recently as environmental contaminants at trace concentrations. The effects of these low levels of sunscreen products on cyanobacteria were investigated in this study. Average trends of triplicate conditions in this study suggest that sunscreen causes decreased scytonemin and chlorophyll a production, as well...

Why is your sunscreen not working?

5. What are the implications of this study? Patients sometimes claim that, despite regular and routine use of sunscreen, they still develop “redness.” A discussion of proper ap p lication of sunscreen then ensues, and often one concludes that sunscreen compliance is really the issue. But is it? In this issue, Young and colleagues suggest otherwise. Stemming from the knowledge that UVA radiation...

A review of sunscreen safety and efficacy.

The use of sunscreen products has been advocated by many health care practitioners as a means to reduce skin damage produced by ultraviolet radiation (UVR) from sunlight. There is a need to better understand the efficacy and safety of sunscreen products given this ongoing campaign encouraging their use. The approach used to establish sunscreen efficacy, sun protection factor (SPF), is a useful ...