Clearasil is the top-selling brand of skin care and acne

Acne vulgaris

Acne vulgaris is a common human skin disease, characterized by areas of skin with seborrhea , comedones , papules , pustules , Nodules and possibly scarring...

 medication, whose products contain chiefly benzoyl peroxide

Benzoyl peroxide

Benzoyl peroxide is an organic compound in the peroxide family. It consists of two benzoyl groups bridged by a peroxide link. Its structural formula is [C6H5C]2O2. It is one of the most important organic peroxides in terms of applications and the scale of its production...

, sulfur

Sulfur

Sulfur or sulphur is the chemical element with atomic number 16. In the periodic table it is represented by the symbol S. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8. Elemental sulfur is a bright yellow...

 & resorcinol

Resorcinol

Resorcinol is a dihydroxy benzene. It is the 1,3-isomer of benzenediol with the formula C6H42.-Nomenclature:Benzene-1,3-diol is the name recommended by the International Union of Pure and Applied Chemistry in its 1993 Recommendations for the Nomenclature of Organic Chemistry.-Production:It is...

, triclosan

Triclosan

Triclosan is an antibacterial and antifungal agent. It is a polychloro phenoxy phenol. Despite being used in many consumer products, beyond its use in toothpaste to prevent gingivitis, there is no evidence according to the American Food and Drug Administration that triclosan provides an extra...

, or salicylic acid

Salicylic acid

Salicylic acid is a monohydroxybenzoic acid, a type of phenolic acid and a beta hydroxy acid. This colorless crystalline organic acid is widely used in organic synthesis and functions as a plant hormone. It is derived from the metabolism of salicin...

 as active ingredients. Clearasil has a wide range of products both for rapid and sometimes slow acne treatment and for everyday prevention.

Clearasil was invented in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 in 1950 by Ivan Combe

Ivan Combe

Ivan DeBlois Combe was the inventor of personal-care products, most notably Clearasil and Odor Eaters. In 1949 he established his eponymous company Combe Incorporated in White Plains, New York....

 with the help of chemist Kedzie Teller. At this time, it was the first dermatological brand created specially for younger skin to fight against pimples (acne

Acne

Acne is a general term used for acneiform eruptions. It is usually used as a synonym for acne vulgaris, but may also refer to:*Acne aestivalis*Acne conglobata*Acne cosmetica*Acne fulminans*Acne keloidalis nuchae*Acne mechanica...

).