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      ã¹áʧᴴÁÕÃѧÊÕÍÑŵÃÒäÇâÍàŵ(UV) , áʧ·ÕèÁͧàËç¹´éǵÒà»ÅèÒ, ÃѧÊÕ¤ÇÒÁÃé͹·ÕèàÃÕ¡ÇèÒÍÔ¹¿ÃÒàô ÃѧÊÕ UV «Öè§ÁÕÍÂÙèÁÒ¡ÁÒÂã¹áʧᴴÁÕ¼ÅàÊÕµèͼÔÇ˹ѧ  ·ÓãËéà¡Ô´ÍÒ¡ÒÃáʺᴧ ¼ÔÇäËÁéá´´ ¼ÔÇ˹ѧÁÕÊÕ¤ÅéÓ¢Öé¹ ¡ÃеØé¹¡ÒÃàËèͧ͢âä¼ÔÇ˹ѧºÒ§ª¹Ô´ ÍÒ·Ô âäÅÙ»ÑÊ à¡Ô´ÀÒÇмÔÇ˹ѧá¡è¡è͹ÇÑ áÅÐÁÐàÃç§¼ÔÇ˹ѧä´é   ÃѧÊÕ UVB ·ÕèÁÕ¤ÇÒÁ¤Å×è¹ÊÑ鹡ÇèÒ ÁÕÍÂÙè㹺ÃÃÂÒ¡ÒÈ 5% à»ç¹ÊÒà˵ØÊӤѭ¢¡Í§¡ÒÃà¡Ô´¼ÔÇäËÁéá´´áÅÐÊÕ¤ÅéÓ¢Öé¹ ·ÕèÊӤѭÂѧ¡èÍãËéà¡Ô´ÁÐàÃçǼÔÇ˹ѧ ÊèǹÃѧÊÕ UVA ¹Ñé¹ÁÕÍÂÙè㹺ÃÃÂÒ¡ÒÈÁÒ¡·ÕèÊØ´»ÃÐÁÒ³ 90-95% à»ç¹ÊÒà˵ØÊӤѭ¢Í§¡ÒÃà¡Ô´¼ÔÇ˹ѧá¡è¡è͹ÇÑ ¼ÔÇÊÕ¤ÅéÓ¢Öé¹ áÅÐà»ç¹µÑÇàÊÃÔÁ¡ÒáèÍãËéà¡Ô´ÁÐàÃ秢ͧ¼ÔÇ˹ѧ´éÇÂ

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     ¤ÇÃàÅ×Í¡¼ÅÔµÀѳ±ì¡Ñ¹á´´·Õè»éͧ¡Ñ¹ä´é·Ñé§ÃѧÊÕ  UVA, UVAB áÅд٤èÒ·´Êͺ»ÃÐÊÔ·¸ÔÀҾ㹡Òûéͧ¡Ñ¹áʧᴴ·Ñé§ SPF (Sun Protection Factor) áÅÐ UVA-PF(UVA-Protection Factor) à¹×éͤÃÕÁ¢Í§¼ÅÔµÀѳ±ì¡Ñ¹á´´¡çÁÕÊèǹÊӤѭ  ¤ÇÃàÅ×Í¡ãªéãËéàËÁÒСѺÊÀÒ¾¼ÔǢͧ¼Ùéãªé ¶éÒÁÕ¼ÔÇáË駤ÇÃãªéà¹×éͤÃÕÁ·ÕèË¹Ò «Ö觨ÐÁÕÊèǹ»ÃСͺ¢Í§¹éÓÁѹËÃ×Íä¢Áѹ  «Öè§»éͧ¡Ñ¹¡ÒÃÃÐàË¢ͧ¹éÓ¨Ò¡¼ÔÇÁҡ˹èÍ áµè¼Ùé·ÕèÁÕ¼ÔÇÁѹ à»ç¹ÊÔǧèÒ ¤ÇÃàÅ×Í¡à¹×éͤÃÕÁºÒ§ ÁÕÊèǹ»ÃСͺ¢Í§ÊÒ÷ÕèÊÒÁÒö´Ù´¤ÇÒÁª×鹨ҡÍÒ¡ÒÈ ÍÒ·Ô Glycerine, Bisaccharide GUM-1 ,GUM-2 «Öè§ÁÕÄ·¸ÔìÅ´¡ÒÃÍÑ¡àʺä´é áÅФÇÃà»ç¹¼ÅÔµÀѳ±ì¡Ñ¹á´´·ÕèäÁèáµè§¡ÅÔè¹
 
     SPF ¢Í§¼ÅÔµÀѳ±ì¡Ñ¹á´´¤×ÍÍÐäà ÊӤѭÍÂèÒ§äÃ?

    SPF à»ç¹¤èÒ·ÕèºÍ¡»ÃÐÊÔ·¸ÔÀÒ¾¢Í§¼ÅÔµÀѳ±ì¡Ñ¹á´´ã¹¡Òûéͧ¡Ñ¹¡ÒÃà¡Ô´ÍÒ¡ÒÃá´§¢Í§¼ÔÇ˹ѧ ¨Ò¡ÃѧÊÕ UVB â´Âä´é¨Ò¡¡Òäӹdz¤èÒ»ÃÔÁÒ³áʧᴴ·Õè¹éÍ·ÕèÊØ´·Õè·ÓãËé¼ÔÇ˹ѧᴧàÁ×èÍ·Ò¼ÅÔµÀѳ±ì¡Ñ¹á´´ª¹Ô´¹Ñé¹ à·Õº¡ÑºäÁè·Ò¼ÅÔµÀѳ±ì¡Ñ¹á´´ ä´éÍÍ¡ÁÒ¡à»ç¹¤èÒµÑÇàÅ¢µèÒ§æ¡Ñ¹

 

     ¤ÇÃàÅ×Í¡¤èÒ SPF ÁÒ¡æ¹Ñé¹´Õ¨ÃÔ§ËÃ×Í?     
     à¹×èͧ¨Ò¡¤ÇÒÁÊÒÁÒö㹡Òôٴ«Ñº UVB ¢Í§¼ÅÔµÀѳ±ì¡Ñ¹á´´ à¾ÔèÁ¢Öé¹àÃ×èÍÂæ «Ö觤èÒ  SPF ÁÒ¡¢Ö鹨¹¶Ö§¤èÒ SPF 30 ¨ÐÁÕ¤ÇÒÁÊÒÁÒö´Ù´«Ñºáʧä´é¶Ö§  96.67% áµèàÁ×èÍà¾ÔèÁà»ç¹  SPF 60 ¤ÇÒÁÊÒÁÒö¹Õéà¾ÔèÁ¢Öé¹ÍÕ¡à»ç¹  98.33 % áÁéà»ç¹¨Ø´·ÕèÁÕ¡ÒÃà¾ÔèÁäÁèÁÒ¡ áÅдÙàËÁ×͹ÇèÒ SPF 30 ¹èÒ¨Ðà¾Õ§¾Í áµè¡ÒÃàÅ×Í¡¤ÇþԨÒóҶ֧âä¢Í§¼Ùé»èÇÂáÅСԨ¡ÃÃÁ·Õè¼ÙéãªéµéͧÊÑÁ¼ÑʡѺ»ÃÔÁÒ³áʧᴴÁÒ»ÃСͺ¡Ñ¹´éÇ ´Ñ§¹Ñé¹ â´Â·ÑèÇä»á¹Ð¹ÓãËéãªé¤èÒ SPF 30-60 ¤èÒ·ÕèÁÒ¡¡ÇèÒ¹ÕéÍÒ¨äÁè¤èͨÓà»ç¹
 
 ¤èÒ PA ¤×ÍÍÐäà ÊӤѭÍÂèÒ§äÃ?
      ¤èÒPA system à»ç¹Ë¹Öè§ã¹¡ÒÃÇÑ´»ÃÐÊÔ·¸ÔÀÒ¾¢Í§¼ÅÔµÀѳ±ì¡Ñ¹á´´ã¹¡Òûéͧ¡Ñ¹¤ÇÒÁ¤ÅéӢͧ¼ÔǨҡáʧUVA «Öè§¡Ó˹´Áҵðҹâ´Â¤³Ð¡ÃÃÁ¡ÒÃÊÁÒ¤ÁÍØµÊÒË¡ÃÃÁà¤Ã×èͧÊÓÍÒ§¢Í§»ÃÐà·È­Õè»Øè¹ (Japan Cosmetic Industry Association) â´Â¤Ó¹Ç³¤èÒ UVA-PF(UVA-Protection Factor) ä´éÍÍ¡à»ç¹ 3 ÃдѺ ä´éá¡è
     PA+ (UVA-PF = 2-4) ,
     PA++ (UVA-PF = 4-8 ) ,
     PA+++ (UVA-PF = > 8)
     â´Â·ÑèÇä»á¹Ð¹ÓãËéàÅ×Í¡¤èÒ  PA++ ¢Öé¹ä» ËÃ×Í UVA-PF à»ç¹ 1/3 ¢Í§ SPF
 
       Sebomicropore ¤×ÍÍÐäÃ?
       Sebomicropore ªèÇ»éͧ¡Ñ¹¤ÇÒÁÁѹº¹ãºË¹éÒ à¹×èͧ¨Ò¡à»ç¹Í¹ØÀÒ¤·Õè´Ù´«Ñºä¢ÁѹáÅÐà˧×èͺ¹ãºË¹éÒä´é «Öè§à»ç¹à·¤¹Ô¤Ë¹Öè§·ÕèªèÇÂãËé¤ÃÕÁ¡Ñ¹á´´ª¹Ô´¹Ñé¹àÁ×èÍãªéáÅéÇãËé¤ÇÒÁÃÙéÊÖ¡·Õè¼ÔÇ˹éÒäÁèÁѹËÃ×Íà˹ÍÐ˹Ð
 
     ·Ò¡Ñ¹á´´ÍÂèÒ§äè֧¨Ðä´é¼Å´Õ?
    á¹Ð¹ÓãËéãªé¼ÅÔµÀѳ±ì¡Ñ¹á´´ÍÂèÒ§ÊÁèÓàÊÁÍ ·ÒãËé˹Ҿ͠   µéͧ·Ò·Õè¤ÇÒÁ˹Ҡ2 ÁÔÅÅÔ¡ÃÑÁµè͵ÒÃҧૹµÔàÁµÃ(2 Á¡./µÃ.«Á.) á¹Ð¹ÓãËé·ÒÊͧ¤ÃÑé§ËèÒ§¡Ñ¹»ÃÐÁÒ³¤ÃÖ觶֧˹Ö觪ÑèÇâÁ§ à¾×èÍÅ´¤ÇÒÁÁѹáÅФÇÒÁ¢ÒǨҡ¡Ò÷ҼÅÔµÀѳ±ì¡Ñ¹á´´ ã¹·Ò§»¯ÔºÑµÔãªé»ÃÔÁÒ³¼ÅÔµÀѳ±ì¡Ñ¹á´´»ÃÐÁÒ³¤ÃÖ觪é͹ªÒ (2.5 ¡ÃÑÁ) µèÍ¡Ò÷ҺÃÔàdzãºË¹éÒáÅÐÅÓ¤Í˹Ö觤ÃÑé§ áÅÐãªé»ÃÔÁÒ³ 1 ªé͹ªÒ(5 ¡ÃÑÁ) µèÍ¡ÒÃ·Ò á¢¹ ¢Ò ˹éÒÍ¡ ËÅѧ ˹Ö觤ÃÑé§ ´Ñ§¹Ñé¹ÃÇÁ·Ñé§ÃèÒ§¡Ò¨Ðãªé 6-7 ªé͹ªÒ ËÃ×Í»ÃÐÁÒ³ 30-35 ¡ÃÑÁ
 
     ÊÓËÃѺ¼Ùé·Õè·Ó§Ò¹ËÃ×͡Ԩ¡ÃÃÁàÅ蹡ÕÌÒ·ÕèÁÕà˧×èÍÍÍ¡ÁÒ¡ ËÃ×ÍÇèÒ¹éÓ ¤ÇÃàÅ×Í¡ª¹Ô´¡Ñ¹¹éÓä´é ¼ÅÔµÀѳ±ì¡Ñ¹á´´·Õè¡Ñ¹¹éÓ¤×Í water resistant ÊÒÁÒö¡Ñ¹áʧ UV ä´é áÁé¼ÔÇ˹ѧ¨ØèÁÍÂÙèã¹¹éÓ¹Ò¹ 40 ¹Ò·Õ ÊÓËÃѺ very water resistant ¨Ð¡Ñ¹ä´é¹Ò¹ 80 ¹Ò·Õ ´Ñ§¹Ñ鹤Ç÷ҫéÓ·Ø¡ 1-2 ªÑèÇâÁ§
 
     ¡ÒÃàÅ×Í¡ãªé¼ÅÔµÀѳ±ì¡Ñ¹á´´ã¹à´ç¡à»ç¹ÍÂèÒ§äÃ?
 

 

     ÊÓËÃѺà´ç¡ÍÒÂØ¹éÍ¡ÇèÒ 6-12 à´×͹ ¶éÒäÁè¨Óà»ç¹äÁèá¹Ð¹ÓãËéãªé¼ÅÔµÀѳ±ì¡Ñ¹á´´ ãËéãªéÇÔ¸Õ¡ÒÃËźàÅÕè§áʧᴴ ã¹à´ç¡âµá¹Ð¹ÓãËéãªéÂÒ·ÕèÁÕ¤èÒ SPF 15ËÃ×ÍÁÒ¡¡ÇèÒ ¤ÇÃà»ç¹ª¹Ô´ inorganic sunscreen äÁèáµè§ÊÕ áµè§¡ÅÔè¹
 
     áʧ UV ÁÕÍѹµÃÒµèͼÔÇ˹ѧ ¡ÒÃàÅ×Í¡áÅÐãªé¼ÅÔµÀѳ±ì¡Ñ¹á´´ÍÂèÒ§¶Ù¡µéͧ à»ç¹ÇÔ¸Õ˹Öè§·ÕèÊӤѭáÅЪèÇ»éͧ¡Ñ¹ÍѹµÃÒ¨ҡáʧᴴä´é´éÇÂ
 
 
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