Organic IntermediateChina Cosmetic Grade CAS 439685-79-7 PRO-Xylane Hydroxypropyl Tetrahydropyrantriol Powder, Find details about China PRO-Xylane, PRO-Xylane Powder from Cosmetic Grade CAS 439685-79-7 PRO-Xylane Hydroxypropyl Tetrahydropyrantriol Powder