Benzoyl Peroxide
Benzoyl peroxide is probably the single-most effective antiacne medication
available without a prescription. It is available in creams, lotions, or gels in
concentrations ranging from 2.5 percent to 10 percent. Unlike the other
medications already mentioned, benzoyl peroxide is both effective in preventing
the development of new blemishes and clearing up those already present.
It is believed to work in several ways. It unplugs pores by acting as a mild
peeling agent the inside of the hair follicles. It also penetrates the hair
follicles, where it kills the bacteria capable of breaking down oil and debris
buildup into potentially irritating, acneproducing fatty acids.
In general, benzoyl peroxide gels are believed to be more effective than benzoyl
peroxide creams or lotions. Interestingly, recent studies indicate that the 5
percent and 10 percent concentrations aren't any more effective than the 2.5
percent concentration for controlling acne. Moreover, for most people, except
those with the oiliest complexions, the higher concentration benzoyl peroxide
products can be excessively chapping and irritating. When applying any of these
medications, you should avoid the sensitive areas near your eyes and lips; these
areas tend to become easily irritated.
The majority of benzoyl peroxide gels currently available require a doctor's
prescription. Clear by Design, however, is a nonprescription 2.5 percent benzoyl
peroxide gel. Fostex BPO, which is available in both 5 percent and 10 percent
concentrations, is another nonprescription gel.
Neutrogena's Acne Mask is a unique 5 percent benzoyl peroxide preparation. Like
Vlemasque, it is designed to be applied as a thick paste mask, left on for
twenty minutes, then washed off. The short duration of application seems to make
dryness and irritation less of a problem. Once again, you don't need to sleep
with the medication on.
A few final notes on self-treatment. No one product is right for everybody's
skin. If you experience burning, itching, redness, or swelling after using any
medication, you should immediately discontinue its use and let your skin rest
for a day or two. If you continue to experience symptoms for more than a couple
of days, you should seek medical attention. Always bear in mind that acne is a
potentially scarring condition. This applies particularly to moderately severe
or severe cases of acne that have been allowed to go untreated or have been
improperly treated. Therefore, if you observe no improvement in your condition,
or only minimal improvement, after three to four weeks of self-treatment, you
should consult a dermatologist.
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