Ethyl alcohol:
Ethyl alcohol has good bactericidal activity in 20% to 70% concentration . Caution must be used, however, when applying it to the intact skin surrounding the wound because direct application of alcohol to the wound bed can cause tissue irritation
Isopropyl alcohol:
Isopropyl alcohol 70% aqueous solution, which has somewhat stronger bactericidal activity and lower surface tension than ethanol, is generally used for its cleansing and antiseptic effects on intact skin. It should not be used to clean open wounds due to possible cytotoxicity effects and higher reported infection rates. However, isopropyl alcohol has a greater potential for drying the skin (astringent action) because its lipid solvent effects are stronger than those of alcohol.
Reference: Chan, E.S. and Benza, R.L. Minor Wounds and Secondary Skin Infections. In: Berardi, et al. (Editors) Handbook of Nonprescription Drugs. 13th edition. 2002. p. 860
เอกสารอ้างอิง
Reference: Chan, E.S. and Benza, R.L. Minor Wounds and Secondary Skin Infections. In: Berardi, et al. (Editors) Handbook of Nonprescription Drugs. 13th edition. 2002. p. 860