Development Of Spray Gel From Ethanol Extract Of Bamboo (Polygonum pulchrum Blume) Plants Using Viskolam® and Hydroxypropyl Methyl Cellulose (HPMC) Gel Combination Base Wa O.S. Zubaydah, Vica Aspadiah, Muhammad Ammar MEDULA (JURNAL ILMIAH FAKULTAS KEDOKTERAN UNIVERSITAS HALU OLEO) Vol. 10 No. 1 2025