Skin Care and Treatments of Melbourne Dermatology - Different Sunscreens provide Different Skin Protection

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Different Sunscreens provide Different Skin Protection

Different Sunscreens provide Different Skin Protection

In vitro and in vivo studies provide a body of evidence that adequate protection of the skin against ultraviolet (UV)-induced damage requires photostable broadspectrum sunscreens with a proper level of UVA protection.

UVA alone and UV solar simulated radiation (SSR) induce DNA lesions in keratinocytes and melanocytes as reflected by the comet assay and p53 accumulation.

UVA and SSR impair the immune system as shown by significant alteration of Langerhans cells and inhibition of contact hypersensitivity response to chemical allergens and delayed-type hypersensitivity response to recall antigens.

Any of these detrimental effects is more efficiently prevented by sunscreens with a higher level of protection in the UVA range.

The involvement of UVA (fibroblast alteration, increased metalloproteinase expression) and the pivotal need for well-balanced UVA/UVB sunscreens has been demonstrated using reconstructed three-dimensional skin models.

Skinceuticals Daily Sun Defense SPF 20 (for daily use against indirect periodical exposure throughout the day) and Ultimate UV Defense SPF 30 (better for indirect extended and direct exposure) are excellent, "cosmetically elegant" sunscreens formulated for facial use. These sunscreens contain micro-fine translucent, natural zinc oxide.

For body use, Jan Marini Waterproof Body Block SPF 30 with avobenzone is recommended.

For greatly enhanced protection, always use an antioxidant such as Skinceuticals C E Ferulic or Serum 20 AOX+ underneath sunscreen.

Related Skin Care Information, Products and Expert Discussions

Dr. Albert Laporte

Allergy to Methoxycinnamate Sunscreens

Bungling Avobenzone

Jan Marini Antioxidant Daily Face Protectant SPF 30 vs. Skinceuticals Daily Sun Defense SPF 20

UVA: The Trojan Horse of Premature Ageing of the Skin


Skin Care: April 2007 :

UVA: The Trojan Horse of Premature Ageing of the Skin : Effects of UVA Exposure : Flaws in The Current Evaluation of SPF (Sun Protection Factor) : True Broad Spectrum Sunscreen in Action: Protection of Skin Cell Nuclei and Keratinocytes : Different Sunscreens provide Different Skin Protection : Jan Marini Antioxidant Daily Face Protectant SPF 30 vs. Skinceuticals Daily Sun Defense SPF 20 : Mature Skin Analysis: Firmness and Elasticity of Healthy vs. Unhealthy Mature Skin : Photoprotection by Topical Trifolium Pratense — Red Clover : Zinc: An Important Antioxidant for Skin : Sunscreen around the Eyes : Photobiologic Basics of Anti-Aging/Skin-Rejuvenating Phototherapy : Anti-Aging Phototherapy by LEDs : Open Pores — Quick Fix Treatment and Lasting Prevention : Darphin Hydraskin: Imperata Cylindrica : Propensity for Vitamin C (as Ascorbic Acid) to Stimulate Acne : Evening Use of Gernetic Adipo/Gasta : Unsafe Flattery: Counterfeit Jan Marini Age Intervention Eyelash : Revised Ingredients: Jan Marini Age Intervention Eyelash : Jan Marini Age Intervention Cream and Serum Ingredient Comparison :


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