Serum Silk Fibroin (10g×30 sachets)

What the brand says

Serum Silk Fibroin is made with silk fibroin (protein) which is extracted from worm silk using a unique manufacturing process. Jelly form diet supplement. Silk fibroin helps to remove unnecessary substances and clean the inside of your body. Serum Silk Fibroin has fresh peach flavor. No preservatives. Safe and reliable product.