This is the great way of trying all of different strengths of reedle shot! Really liked it! It may hurt you for the first week but you won’t feel it so much from 2nd week!

The size are small I believe it would be good for trip and travel i just used the 300 because i’m using the reti-a 100 I felt like the 300 give the skin a booster to see quick result although it have the tingly thing like a small or ting needles