Chayadhorn Kitiyadisai (Ing)

Chayadhorn “Ing” Kitiyadisai is the founder of INGU Skin, a Bangkok based skincare company building science-backed products for hot, humid, high UV climates. Ing is also the creator of พลิกหลังกล่อง, a Thai skincare science channel that reads ingredient labels the way formulators do, with an audience across YouTube, TikTok, Instagram and Facebook. Ing’s work sits where formulation science meets consumer education, using content, live selling and customer co-creation to test what people actually want before a product is built.