“You unfortunately cannot determine the strength of a product strictly by the percentage of its active ingredients because how well a product works depends on how well its inactive ingredients help it penetrate the skin,” explains Dr. Green. “In other words, a 2 percent benzoyl peroxide may be more effective than another brand’s 5 percent benzoyl peroxide because there are other ingredients helping out.”
Dermabrasion is an effective therapeutic procedure for reducing the appearance of superficial atrophic scars of the boxcar and rolling varieties.[31] Ice-pick scars do not respond well to treatment with dermabrasion due to their depth.[31] The procedure is painful and has many potential side effects such as skin sensitivity to sunlight, redness, and decreased pigmentation of the skin.[31] Dermabrasion has fallen out of favor with the introduction of laser resurfacing.[31] Unlike dermabrasion, there is no evidence that microdermabrasion is an effective treatment for acne.[8]
The dermatologist Dr. Dennis Gross did a major study on water and its effect on skin and he found that the heavy metals in tap water can actually ruin the benefits expensive lotions and serums do for skin. Some cities (New York and L.A., for example) have worse water than others (Seattle, for example). While some dermatologists aren't buying his claims, (Patricia Wexler for one), you can fight the drying effects of water on skin by cleansing with cold cream, a practice common with European women.

Although combined oral contraceptives are a more popular treatment with women, men can use them as well, as they may also experience hormonal fluctuations. The only downside is that birth control pills tend to produce feminizing features in the person taking them, such as reduced hair growth or enlarged breast tissue. To get a prescription for a combined oral contraceptive, you can talk to your family doctor, a dermatologist, or an OB/GYN, or visit your local Planned Parenthood.


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