How are you doctor thanks I am 35 old and my face...

Dear Customer
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Dear customer :

its unclear what did the medication you are using effected on your face , but the way you are using it is wrong and we will mention the right way to use it , plus other advices about how to treat acne 

how to use tretinoin USP0.25 :

1. only use it 2-3 times a week not daily , because its may lead to skin dryness
2. use a small amount everytime ( tip of your finger ) and spread it all around your face 
3. use a moistrizer with it or after using it  every time 

acne treatment :

1. consult a dermatoglist doctor to do the needed medical examnation and determine the treatment pathway
2. have a healthy life style , including : healthy diet , exercise , sleep and rest well
3. avoid stress 
4. usually doctor starts treatment therapy by topical antibiotics such as erythromycin and tretinoin USP0.25
5. if topical treatment isnt effective , doctor may prescribe oral medication such as doxycycilin and isoterinoin

food to avoid while treating acne :

1. chocolete 
2. bread and heavy carbohydrate food such as chips 
3. oily food 
4. condiments and spices 

general advices to treat acne :

1. avoid smoking alcohol 
2. sleep well and at night 
3. get rid of hair around the acne area ( better to use laser treatment )
4. use a combination of treatment therapy such as oral and topical medications , as well as using cosmatic products that helps your case 
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Kind Regards