We use it like this in Korea!! October 18 2025, by numberskin My Secret to Glowing Skin: Odroi Retinol 0.03% Peony Ampoule Fillidy 50ml Review! Retinol 0.03% Peony Ampoule Fillidy 50ml (Odroi) Korean consumers rated it like this!! In Korea, where skincare is practically a national sport, the... Read more