Gram-negative folliculitis (GNF) is one of the most common mimics and complications of acne and acne rosacea. First described by Fulton in 1968, 1 GNF in acne patients is a relatively rare ...
Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls. They release ...