Aman Hair removal of any kind tends to irritate the skin.If one has sensitive skin or acne prone skin,it makes matters worse.
I would advise you to use a wet trimmer,Philips as those called Aqua Touch I think.When you use them wet with face wash or shaving gel,it acts as a lubricant and reduces skin irritation since the blades glide on skin smoothly.
After shave/trim,rub a ice cube over and apply aloe vera gel or calamine lotion.It will soothe the irritation.
And one question..
When i apply suncreen second tym in a day can i use ice cube for face before i use suncreen 2nd tym..
And u said not go outdoor for 20 mins aftr apply sunscrren.. I case if i am outdoor and this tym i have use sunscreen then how it is possible for wait becoz i am outdoor..
You can rub ice cube or spray avene/vichy thermal spring water as many times you want.
Buddy everything has its own limitations.It is normally advised to wait for 20 minutes for the sunscreen to activate it.But there are exceptions like when you are outdoors then try to stand in shade or under a tree,wear hoodie jacket,caps or even holding a umbrella.Then there are physical sunscreens meaning which contain Titanium oxide and Zinc oxide but I don't know if there are broad spectrum,non-comedogenic options available in India.Its all about adapting to the situation!