Provillus is a supplement / topical formula combination that is sold over the internet for treating hair loss in men and women. Provillus now contains minoxidil, which is an FDA approved hair loss drug that is also sold over the counter as Rogaine and various store-brand solutions. Provillus side effects are the same as those that can be experienced with any hair loss formula containing minoxidil. 

Nioxin is a line of herbal based hair products that are sold in salon to treat thinning hair and hair loss, whether due to age, overprocessing, or a genetic predisposition to thinning hair. When you go to the Nioxin website, you fill out a brief quiz about your hair type and hair concerns, and it lists the Nioxin products that are suitable for you. For example, a person with medium to coarse, chemically treated hair whose hair is normal or only starting to think would be advised to use Nioxin's System 7, which is designed to moisturize the hair and scalp and protect them from chemical residue from processing like coloring, perming, or relaxing.

Procerin is a non-prescription supplement that is available in tablet and topical forms. It is used every day for treatment of hair loss in men. Procerin is used in treatment of male pattern hair loss, a condition called androgenic alopecia. This type of baldness results in a receding hair line and hair thinning.

Rogaine is the trade name in the USA for minoxidil, a topical treatment applied to the scalp to counteract baldness. It is sold in the USA without a prescription. Men use Rogaine to treat a receding hairline, and women generally use it to treat a diffuse thinning of hair throughout the scalp. Millions of people buy Rogaine every year. Rogaine results usually take several months to be significant. The new hair growth lasts only as long as the drug is used. Therefore, if a person stops using Rogaine, hair loss will resume within a few months.

Natural hair loss products abound on the internet and in stores. People want solutions to hair loss, but they don't like the idea of applying drugs to their scalp or taking drugs that change their body's hormonal balance. Shampoos and topical hair loss products may contain herbal extracts such as saw palmetto.