Dr. Wu, whose new book "Feed Your Face" discusses the food/skin connection, gets down to brass tacks with her teen patients. "I tell [them] to avoid dairy if they have acne -- dairy hormones can also stimulate oil glands and lead to clogged pores," she says, pointing out that it's important for them to get their calcium and protein elsewhere. (Soy and almond milks are both rich in calcium and tofu, apricots, figs and hazelnuts are great protein sources.) She also says that adolescents should "watch their sugar, since high blood sugar can cause inflammation leading to redness, swelling, and whiteheads."
Next: The specific ingredients teens should look for in skin care
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Adolescence -- Plan of Attack Part 2
Which products to use: Dr. Wu's approach takes the specific condition into consideration; "If there are more whiteheads and pimples, benzoyl peroxide can help dry them out; if the problem is mainly blackheads, then salicylic acid products (like Clean & Clear Advantage 3-in-1 Foaming Acne Wash, $5.97) can help unclog pores."
And, Dr. Murad suggests that teens "adopt a three-step regimen addressing their specific skin needs. This should include a cleanser and toner, treatment product and moisturizer with a sunscreen." Additionally, he recommends "using products containing botanical ingredients and essential oils to keep skin healthy and hydrated." (Try Peter Thomas Roth Cucumber Gel Masque, $35.)
Doctors Rodan and Fields raise the point that some birth control pills can also be helpful with regulating teen skin. "Pills such as Yaz are also very effective in controlling breakouts because they help to mitigate the impact of hormonal fluctuations on skin," they say.
Next: Pregnancy and the effect it can have on your skin (and other body parts)
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The stage: Pregnancy
The hormonal gist: Dr. Wu says that "during pregnancy, your body produces up to 50 percent more blood to nourish your growing baby. As a result, your skin may look more rosy and glowy, and you might also notice more spider veins on your face, chest and legs." She also notes other ancillary happenings like the appearance of varicose veins -- though the news isn't all bad -- "many women notice that their hair and nails are thicker and grow more quickly when they�re pregnant," she says, but is quick to note that there "may be some hair thinning after delivery."
The skin issues: In his practice, Dr. Murad "sees a lot of pregnant women for melasma," also known as the "mask of pregnancy" and he notes that the "discoloration of the forehead, upper cheeks, nose and/or upper lip is commonly believed to be caused by hormonal shifts." Patients also seek help with breakouts, dry skin and the dreaded stretch marks. (Get the truth about which products will actually help stretch marks -- and which are just a waste of money here.)
Next: The plan of attack for melasma
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Pregnancy -- Plan of Attack for Melasma
When it comes to melasma, Dr. Murad says that, "pregnant women should use an SPF religiously. Sun exposure can worsen the effects of melasma." And he adds, "Another great way is to take pomegranate extract supplements -- [the fruit] has been shown to increase the SPF of topical sunscreens, plus it has great antioxidants to help fight free-radical damage."
Dr. Wu concurs and suggests that patients "look for [products containing] zinc oxide, which blocks UVA rays, the ones that contribute to skin discoloration" and following delivery (and nursing), she says that "botanical skin brighteners with ingredients like soy (such as Aveeno Positively Radiant Triple Boosting Serum, $15.99) can help lighten discoloration." And, for severe cases, Dr. Wu will sometimes "prescribe stronger fading creams (like Triluma) or chemical peels."
Next: Plan of attack for pregnancy-related breakouts
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Pregnancy -- Plan of Attack for Breakouts
Dr. Murad points out that "hormonal shifts during pregnancy can cause the sebaceous glands to go in to overdrive, boosting production of sebum, which can block your pores and lead to inflammation and breakouts." That's where things can get tricky since some of the ingredients typically recommended to help clear up skin are contraindicated during gestation.
Next: Beauty boosting ingredients to use (and which to avoid) during pregnancy
Ah, hormones. Those wacky chemicals that carry messages from our organs to our cells. Those super-busy messengers that dictate pretty much everything in our bodies -- from the speed of our metabolism to how tall we grow -- hormones call all the shots, they have the control, they, in short, are king. And, as noted dermatologists Katie Rodan and Kathy Fields say in their book, "Write Your Skin a Prescription for Change," hormones also have a ton to do with the way our skin "changes and ages throughout life" and, a lot to do with any and all of our skin problems.
"With the onset of puberty," the doctors write, "sex hormones skyrocket, ruling behavior and altering the appearance of skin." And, guess what? That roller coaster continues all the way through menopause � and then some.
There are six major hormones that affect our skin: estrogen, progesterone, melanin, cortisol, testosterone and the thyroid hormones. And, their levels fluctuate all the time, which explains, among other things, why our complexions also change throughout the month (and years).
To get an idea of how our skin is affected by these hormones during three key periods of our lives (adolescence, pregnancy and menopause), we talked to two preeminent dermatology experts, Dr. Howard Murad and Dr. Jessica Wu -- both of whom specialize (and excel) in the medical and cosmetic aspects of their field. They walked us through the three stages, offering up insight into what happens from a physiological standpoint and giving suggestions for how to best handle the situations to keep the resulting skin problems to a minimum.
So, if you're ready to get a firmer understanding of what the heck is going on inside our bodies that can sometimes wreak havoc on our complexions, and learn what you can do to outsmart them, you're in luck.
