henol was also used as positive control. After treatment S. aureus, Corynebacterium sp., MRSA 49, MRSA 50 and P. acnes by phenol at 12%, the inhibition zones were 25.67 ± 0.58, 25.33 ± 1.52, 21.00 ± 1.73, 23.00 ± 3.60 and 28.67 ± 0.58 mm., respectively.