Hinou dokon is a phrase in Japanese that means ‘skin-mind same root' - the idea that your skin feels emotional strain and deserves to be treated with compassion. Tatcha is a label built on this very philosophy, and every formula is crafted with the ancient beauty rituals of the Geishas in Kyoto to strengthen the microbiome. The Silk Serum is packed with upcycled cranberry extract and sea fennel - two plant-based retinol alternatives that, in tandem, reduce the appearance of fine lines and redness.