March 9th, 2006, by Digital Davo | VEGF, sunscreens
Inhibition of UVB-induced VEGF, IL-1a and MMP-1 release by a SPF-90 sunscreen
Mar Recasens, PhD, Josep Maria Reig, PhD, Carles Trullas, PhD, Carles Pelejero, PhD, Isdin Skin Research Center, Barcelona, Spain
Ultraviolet radiation is well-known to induce a range of deleterious effects on human skin such as photoaging and photoimmunosuppression, and can lead to the development of skin cancer. The UV radiation increases the release of VEGF, …
January 25th, 2006, by Digital Davo | sunscreens
In a December 2005 message titled Safety of sunscreens containing nanoparticles of zinc oxide or titanium dioxide, the TGA - Therapeutic Goods Administration (who are responsible for Regulating Australia’s medicines, medical devices, blood, tissues and chemicals) have stated that
Further research is needed to establish if these materials are absorbed into human skin and if so what effects they may have if they …
September 14th, 2005, by Digital Davo | metrogel, sunscreens, topicals
Rosac is a topical preparation that combines 2 sunscreens with sodium sulfacetamide and sulfur. Other Sulfacetmide preparations include Plexion, Rosanil and Rosula. Rosac contains avobenzone (Parsol 1789) and octinoxate (also known as Octyl methoxycinnamate) as chemical sunscreens.
This study is saying that rosac cream was better at reducing papules and pustules and redness as well. Rosac was also slightly more likely to cause …
August 15th, 2005, by Digital Davo | sunscreens
There has been some concern amoungst rosacea sufferers about possible health problems with micronized zinc oxide and titanium dioxide. An article was published in 1997 with an alarmist title “Titanium Dioxide/Zinc Oxide nanoparticles from sunscreen are found to cause free radicals in skin cells, damaging DNA” Oxford University and Montreal University, Dunford, Salinaro et al.
Dr. Linda Sy, who is responsible for the rosacea …
August 12th, 2005, by Digital Davo | sunscreens
It is well understood that for good sun protection both UVA and UVB needs to be blocked. As the sun is a trigger for many rosacea sufferers, good sun protection is a must.
Lets look at Mexoryl. Mexoryl SX (patented by L’Oreal) is a photostable UVA filter that is used in sunscreens available in many countries. It is not currently available in the United States
John …
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