Is it true that Gulangzhong plaster is invalid and full refund is given?

Really, the traditional black plaster handed down from the ancient waves is the secret recipe handed down from the Miao family. It is prepared from 72 Chinese herbal medicines including Radix Aconiti Preparata, Radix Aconiti Kusnezoffii Preparata, Sinomenium, Radix Dipsaci, Lignum sappan, Rhizoma Chuanxiong, Radix Angelicae Dahuricae, Radix Notoginseng, Myrrha, Flos Caryophylli, Cortex Cinnamomi, etc. It has the effects of expelling wind, removing dampness, dispelling cold, promoting blood circulation, removing blood stasis and dredging collaterals.