Description

sunburn

Is a burn of living tissue like the skin produced by Overexposure  to ultraviolet light

UV Block cream   SPF *0+

Symptoms

• Reddish skin hot to touch
• Peeling skin
• General fatigue
• Mild dizziness

UV Block cream   SPF *0+

• Excessive exposure to UV radiation may lead to non malignant skin tumors
• Every body who exposed to sun rays should use sunscreen cream, lotion, …………… etc
• Exposure to lesser amount of UV radiation produce suntan

 UV Block cream   SPF *0+

• Moderate sun tanning without burning can prevent sunburn, as it increase production of melanin , photoprotectant pigment .
• Melanin is the natural defense against overexposure to UV light, as it transforms UV photons to harmless amount of heat without generation of  free radicals 

• sunscreens

• Products that absorb or reflect some of UV radiation to prevent sunburn .
• They are two types :
• Chemical……….absorb UV light
• Physical (inorganic)……reflect, scatter UV light

• protection by sunscreen depend on :

• Skin type
• Amount applied
• frequency of reapplication
• Activities (swimming , playing ,…….)
• The amount of sunscreen absorbed

•  

  Water resistant vs waterproof

• Water resistant sunscreen which maintain its SPF over *0 min. of exposure to water
• Waterproof sunscreen which maintain its SPF over *0 min. of exposure to water

•  

  UV Block cream   SPF *0+

   

  A good sunscreen should contains :

• more than one sunscreen agent
• both physical and chemical sun blocking agents
• water proof one

• UV Block cream   SPF *0+

  Contains   4  sunscreen agents

  TIO2  (5.5 ww%)

• Physical blocker (UV A & UV B)
• Covering range : (**0nm **0 nm)
• Has high refractive index ,thus has strong UV blocking capability
• Resistant to discoloration under UV light .
• So tio2 has stability and ability to protect the skin from UV light

•  

  TIO2

  Coated with silica to prevent free radical formation

  Dont degrade under UV light and also protect other ingredients from degradation

• Suitable for children
• FDA approved up to *5 ww %

•  

  Benzophenone*3 (3.5 ww %)

• Covering range: ******0 nm
• Chemically absorb both UV B and UV A
• Strong sunscreen ingredient
• its structure is highly stable under sun light
• Prevent degradation of other ingredients .
• FDA approved below conc. of 0 ww %

•  

  Octyl methoxycinnamate (octinoxate) (7.0 ww %)

• Covering range :******0 nm
• Chemically absorb UV B only
• Most widely used UV B blocking agent in the skin care industry
• Show some degradation upon exposure to UV light but it can be prevented by other agents .
• FDA approved up to 7.5 ww %

•  

  Octyl salicylate (4.0 ww %)

• covering range :******5 nm
• Chemically absorb UV B only
• High safety profile
• Show some degradation but can be prevented by other agents .
• FDA approved up to 5.0 ww %

•  

  UV Block cream   SPF *0+

• Highly selected formula .
• Has 4 sun screen agents.
• Potent blocking cream against UV B and UV A.
• Waterproof sun block cream.
• Highly stable cream in day time.
• Well tolerated and physically accepted.

• UV Block cream

  Application

• Applied *0 min before exposing to sun and reapplied when necessary
•