Posts Tagged ‘Protection solaire’

Melasma (Chloasma) (Pregnancy Mask) Diagnostic elements, epidemiology and importance of sunprotection

Monday, February 20th, 2012

Skin color is determined by: The type of melanin The amount of melanin in melanocytes The distribution pattern in surrounding keratinocytes   The term melasma comes from Greek melas: black Etiology: The exact cause is unknown but some factors play a role Ultraviolet light (UV) genetic factors thyroid disturbances cosmetics hormonal factors (in females) Epidemiology […]

Sunburn (For Professionals)

Tuesday, June 15th, 2010

Although prevention is better than cure, there are chances that you or someone around will get sunburnt. It is more likely in the summer months, when in high altitude, when increasing outdoor activities, when on far-away holidays, and when indulging in sun-seeking behaviour (e.g. sunbathing). In acute sunburn (erythema, pain, edema, desquamation, bullae) Always keep […]


Thursday, June 3rd, 2010

The sun is our ally because it is an indirect source of vitamin D production and contributes to our psychological well-being. However, the sun is also dangerous and participates actively in the development of skin cancers, melanoma being one example. Accessorily (if it can be said so), it is responsible for accelerated skin aging (wrinkles, […]


Sunday, November 29th, 2009

Dr Christophe Hsu – dermatologist. Geneva, Switzerland What are sunscreens used for? Excessive exposure to the ultraviolet, visible and infra-red radiation of the sun can cause sunburn, premature aging and wrinkling, brown pigmentation, hypersensitivity reactions to sunlight and skin cancer. Although your skin has its own natural defence mechanism, it’s not enough to prevent the […]

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