by ALI GOUDARZI
An acid-alkali neutralization reaction is a chemical reaction that occurs when an acid and a base (alkali) are mixed together. The reaction produces a salt and water. The pH of the resulting solution will be neutral (pH 7). An acid is a substance that donates hydrogen...
by ALI GOUDARZI
The acid mantle is a thin, slightly acidic film that coats the surface of the skin. It is made up of a mixture of lipids (oils) and secretions from the sebaceous glands and sweat glands. The acid mantle helps to protect the skin from bacteria, viruses, and other...
by ALI GOUDARZI
Acids are substances that have a pH below 7.0. They taste sour and turn litmus paper from blue to red. Acids are found in many different places in nature, including fruits, vegetables, and even our own bodies. In the skin, acids play an important role in maintaining...
by ALI GOUDARZI
Acne is a chronic inflammatory skin disorder of the sebaceous glands that is characterized by comedones and blemishes. It is the most common skin disease in the United States, affecting up to 85% of people at some point in their lives. Acne is most common during...
by ALI GOUDARZI
Acne excoriée is a skin disorder characterized by the compulsive picking or scratching of acne lesions. This can lead to scarring and discoloration of the skin. Acne excoriée is a relatively rare disorder, but it can be very distressing for those who suffer from it....
