T-ara's So Yeon and Jiyeon participated in a skin test on KBS 'Vitamin'. This day, the two showed their faces with no makeup to.

So Yeon's face without makeup seemed no different than when she had makeup on and shocked fans. Her skin was so clear and young enough to seem like that of a high schooler. 

Netizens have commented "So Yeon is in charge of good skin in T-ara" "So Yeon looks younger than Jiyeon" and "Jiyeon looks so cute with those glasses.