The main ingredients to look for in acne products are benzoyl peroxide and salicylic acid.

Some acne products are counterproductive and can make acne worse.

Aspirin is related to salicylic acid, a common ingredient in over-the-counter acne products.

The strength of benzoyl peroxide contained in this medication is higher than that used in many over-the-counter acne products.

Salicylic acid is available in many acne products, including lotions, creams, and pads.

Treat it with: Over-the-counter acne products, to start.

Neutrogena says its own research shows the number of female adults using the company's acne products increased 38 percent from 1998 to 2000.

Ask your doctor before using any acne products.

Some people do fine using one acne product, although many need a combination of approaches to control their teen acne.

The 24-year-old turned to Proactiv's acne products to clear up her complexion, and now she's the brand's new spokesperson.