Watch SNSD YoonA's latest 'Innisfree' clips

The secret behind SNSD YoonA's ageless beauty?  This brand is our closest guess.

She has been endorsing 'Innisfree' for many years now, and we feel that it won't change in years to come.  You can watch YoonA's latest commercial for the cosmetic brand below~

Update: New Behind the Scenes Clip

Proving that she's a beauty with a big heart, SNSD's YoonA also donated all the fees that she would get from her 'Big Issue' magazine pictorial.

We have compiled YoonA's 'Innisfree' CFs before and you may watch them here.