Use of sodium hydroxide in the preparation of epidermal peels from certain coniferous leaves rich in resins and tannins.
D007501:Iron; D012116:Resins, Plant; D012972:Sodium Hydroxide; D013194:Staining and Labeling; D013634:Tannins; D014197:Trees
D012116:Resins, Plant; D013634:Tannins; D012972:Sodium Hydroxide; D007501:Iron