The U.S. Food and Drug Administration (FDA) regulates hair removal creams to make sure they are safe for consumers and that the manufacturers do not make false claims. Hair removal creams are available over the counter as well as in prescription form and are a popular method for removing unwanted hair. Most hair removal creams can be used safely on the face, arms and legs, but are designed for external use only.
Structural Changes
Depilatories are available in creams, lotions, gels and roll-ons. The alkaline or acidic composition of the hair removal creams sold as depilatories directly affects the protein structure in hair. They melt the root of the hair and cause it to become soft and jelly-like. After the cream is left to set for the amount of time specified by the manufacturer, which varies from product to product, the consumer merely wipes it off and the dissolved hair comes off with the cream.
Skin Sensitivity
Hair removal cream must be used according to the directions, according to FDA regulators. The creams should not be used to remove hair from the eyebrows or anywhere else near the eyes because it can cause damage. Hair removal creams should not be used on open cuts or sores. The main side effect of depilatories is redness and a burning sensation. The burning typically subsides in a short time and can be mitigated with soothing lotions and cool water. The FDA warns consumers to test a hair removal cream on a very small section of skin to determine if there is an allergy. Left on too long, the burning will continue and could cause peeling and rashes.
Enzyme Blocker
A prescription cream hair removal product called Vaniqa has been approved by the FDA and must be obtained from a dermatologist or other physician. Rather than remove the unwanted hair, Vaniqa works by gradually reducing the growth of new hair until there is none left. The product blocks enzymes in the hair follicles that are responsible for hair growth. The prescription hair removal system must be followed for about eight weeks to stop the growth of new hair. The cream is applied twice a day and left on. After an extended period of time, the enzymes return to the newest growth and the product needs to be applied again. Side effects of Vaniqa are similar to depilatories and include burning and stinging. Some users have experienced acne breakouts after using the product.
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