Topical corticosteroids and sunscreens are extensively used formulations, both as over-the-counter products and as prescription medicines. Topical corticosteroids are increasingly being recognized as causes of allergic contact dermatitis. Because of their anti-inflammatory property, contact allergy to these agents may be difficult to suspect and prove. With corticosteroid allergy, there are spe...

Unprotected exposure of skin to solar ultraviolet radiation (UVR) may damage the DNA cells and can lead cancer. Sunscreens are topical formulations used protect against UVR. The active ingredients sunscreens UV filters that absorb, scatter, and/or reflect Preventing formation free radicals repairing damages, natural antioxidants also added as a second fold protection Antioxidants help stabilise...

Sunscreens and photoprotection tools along with consumer habits behaviors, can mitigate the skin damage caused by excessive solar radiation. For example, protecting oneself in shade, avoiding inadequate sun exposure at times of higher incidence UVB radiation (between 10:00 a.m. 4:00 p.m.), wearing clothes protection factors, applying sunscreens correct amounts intervals, glasses anti-UVA lenses...

Photodermatoses are a group of disorders resulting from abnormal cutaneous reactions to solar radiation. They include idiopathic photosensitive disorders, drug or chemical induced photosensitivity reactions, DNA repair-deficiency photodermatoses and photoaggravated dermatoses. The pathophysiology differs in these disorders but photoprotection is the most integral part of their management. Photo...

We explore the ultrafast photoprotective properties of a series of sinapic acid derivatives in a range of solvents, utilizing femtosecond transient electronic absorption spectroscopy. We find that a primary relaxation mechanism displayed by the plant sunscreen sinapoyl malate and other related molecular species may be understood as a multistep process involving internal conversion of the initia...

When absorbed, a photon of a given energy has the same chemical and biological effect whether it comes from the sun or from an artificial, man-made source like a sun bed. If the spectrum and intensity of a sun bed are the same as those of the sun, the biological effects will be exactly the same. The main difference between radiation from sun and sun beds is that sun beds emit less visible light...

In a recent report, Autier et al. described the correlation of nevi development with sunscreen use in children (1). This apparently counterintuitive finding will be the source of extensive discussion and perhaps some controversy. However, when the dynamics of skin biology are considered, it is important to recognize this study for what it really tells us. Specifically, it reminds us just how ig...