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Tuesday, February 14, 2017

Natural Treatments for Seborrheic Dermatitis

Seborrheic dermatitis, a type of skin condition that most often causes facial dryness and scalp itchiness, affects about 6 million children and adults in the U.S. It can be tricky to recognize or diagnose seborrheic dermatitis because the skin reactions it triggers mimic those caused by similar conditions like psoriasis, other forms of eczema, or even allergic reactions.
Like many other conditions caused by abnormal immune responses, patients tend to experience on and 0ff intervals of seborrheic dermatitis symptoms, meaning most have episodes of skin reactions suddenly flaring up and then periods when they go away. It’s been reported by patients with dermatitis that outbreaks are triggered by factors like: 
  • Trauma, emotional stress or depression
  • Fatigue and lack of sleep
  • Exposure to air conditioning or damp or dry conditions in the home and/or workplace
  • Systemic infections
  • Use of certain medications
  • And other factors that can hinder immune function

What Is Seborrheic Dermatitis?

Seborrheic dermatitis (SD) is defined as a chronic, recurrent, inflammatory skin condition characterized by erythema and skin flaking. Seborrheic dermatitis is a form of eczema and usually causes symptoms like itchiness, skin dryness or oiliness, and other common changes in skin texture, such as scalp dandruff. Symptoms most often appear on areas of the skin that normally have high concentrations of sebaceous glands, meaning they tend to be oily. The areas of the body most likely to develop itchiness and other symptoms are:
  • The face — Dryness and redness usually form on the forehead near the skin folds, eyebrows and anterior hairline.
  • The scalp — Dandruff is regarded as a mild, noninflammatory form of seborrheic dermatitis, and more than half of patients with this condition develop symptoms on the scalp.
  • Ears
  • Upper chest
  • Back
  • Near the neck or collarbone
  • Or in any body fold, such as near the groin

Symptoms of Seborrheic Dermatitis

Something that makes seborrheic dermatitis unique is that it can cause both extra skin dryness and oiliness. In fact, surprisingly, oily skin is one of the most frequent causes of dandruff and sometimes also contributes to other skin irritations (like infections or acne). SD is marked by red, greasy skin covered with flaky white or yellow scales, making it different from conditions like psoriasis.
 The most common signs and symptoms of seborrheic dermatitis are: 

  • Scaly patches and dandruff forming on the scalp. Dandruff is usually “stubborn” and doesn’t respond well even to over-the-counter products like shampoos or oily treatments. Sometimes lesions form on the scalp that can range from mildly itchy to brownish crusts and cause the skin to stick to the hair.
  • Red skin that’s sensitive and very dry. Sometimes very dry skin might become yellow or pink in certain areas.
  • Extra dryness and flaking in areas of the skin that fold or that are usually oily, including the “T-zone” of the face (the area covering the nose, chin and forehead), upper chest and back.
  • Skin peeling called erythema, which sometimes appears as macules or plaques with dry white or moist oily scales. Even when skin peels, papules or pustules are not very common.
  • It’s possible for secondary bacterial infections to occur if bacteria proliferates inside dry patches or openings of the skin.
SD also affects a high percentage of infants (around 70 percent) and sometimes children. In fact, cradle cap is one type of SD. Most often in infants, the condition generally resolves by age three or four months, however children with untreated food allergies can sometimes continue to show symptoms for years. Another time period when SD tends to develop is during puberty, when hormone shifts can affect the glands of the skin and oil production. Dermatitis prevalence increases again in adults over the age of 50.

Causes and Risk Factors of  Seborrheic Dermatitis

Although experts still aren’t totally sure why dermatitis develops, it appears to be related to the composition of the skin’s sebaceous gland secretions, the proliferation of Malessezia yeasts that can cause negative skin responses and abnormal immune responses.
Sebum is the component of skin’s surface that produces oils (lipids) to keep the skin adequately hydrated. It contains high amounts of squalene, wax esters and triglycerides that normally prevent dryness. Research suggests that people with dermatitis might have close-t0-normal sebaceous gland activity, however changes in the composition of the skin’s surface — coupled with a hyperactive immune system — might trigger abnormal responses to microbes on the skin.
Immune responses increase as there’s also a higher growth rate of lipid-dependent microorganisms, including yeasts. Malassezia yeasts are normally present on the skin in sebum-rich (oily) areas of the body, such as the face, scalp, trunk and back, but in people with SD they appear to be produced at increased levels and in the process leave behind byproducts that cause skin irritation and inflammation.
It’s been found that seborrheic dermatitis commonly occurs among patients with other health conditions that affect their immune systems and raise inflammation.
Examples are HIV (human immunodeficiency virus), autoimmune diseases, food allergies, mood disorders, recurrent infections or neurological disorders like Parkinson’s disease. SD is especially common in those with severely compromised immune function, affecting approximately up to 11 percent of immuno-competent adults and up to 85 percent to 95 percent of HIV patients. 
Even in people who don’t have other serious health conditions, risk factors for dermatitis include dealing with significant life stress, experiencing trauma, low exposure to sunlight (resulting in possible vitamin D deficiency), or going through hormonal changes, such as pregnancy or menopause.

Conventional Treatment for  Seborrheic Dermatitis

Conventional treatment options for treating symptoms of seborrheic dermatitis, especially the most common symptom, scalp dandruff, include:
  • Applying topical agents to the skin
  • Using special shampoos containing antifungal agents on the scalp
  • Taking anti-inflammatory medications if another health condition is the cause of dermatitis or applying anti-inflammatory topical agents to the skin
  • Using keratolytic agents to control inflammation
  • And sometimes other medications like calcineurin inhibitors
One treatment that dermatologists commonly use to control SD symptoms on the face and scalp is ketoconazole cream, usually about 2 percent concentration applied twice daily for four weeks. This amount has been shown to be as effective as hydrocortisone 1 percent cream for reducing redness, flaking and other signs of irritation. 
Although topical treatments don’t work for all patients and sometimes can cause even more irritation or symptoms to return at a later time, patients have also had some improvements using ciclopirox olamine 1 percent cream (twice daily for 28 days followed by once daily for 28 days), sertaconazole nitrate 2 percent cream or metronidazole 0.75 percent gel.

6 Natural Treatments for Seborrheic Dermatitis

1. Treat Itchy Dandruff/Scalp Dryness
Dandruff (the shedding of excessive amounts of dead skin flakes from the scalp) is very common in both adults and children, but this doesn’t mean it’s entirely “normal.” Studies suggest that dandruff is really the overaccumulation of dead skin, and dandruff causes can include low immune function, reactions to the dry winter air, a vitamin-deficient diet and harsh chemicals found in things like chemical-heavy unhealthy shampoos.Malassezia yeast lives on the scalps of most adults but in excess can cause more skin cells to grow and then skin cells to die and fall/flake off.

Common seborrheic dermatitis scalp treatments that you can try include:
  • Applying a combination of hydrating coconut oil and essential oils to the scalp (more on this below)
  • Making a DIY dry scalp shampoo or mask to cover itchy areas
  • Not shampooing too much but also making sure to clear the scalp. You may have a healthier scalp and hairline if you shampoo about every two to three days, since this can allow natural oils that your skin produces to stay at regular levels.
  • Increasing intake of antioxidant-rich foods, such as berries and leafy greens
  • Using a humidifier if the air in your home is very dry (dandruff usually gets worse during the fall and winter when air is very dry)
  • And supplementing with things like vitamin D to prevent deficiencies
 2. Boost Immune Function
As described above, low immune function and high inflammation levels (sometimes in combination with hormone imbalances) are at the root of most skin conditions. Skin irritations are often caused or at least made worse by chronic stress, depression, anxiety and fatigue. To improve overall immunity, try following these tips:
  • Get seven to eight hours of sleep each night
  • Exercise regularly to control stress
  • Consider taking supplements like omega-3 fatty acids and probiotics
  • Spent at least some time outdoors in nature or the the sun each day
  • Keep up with hobbies and relationships to feel more connected and relaxed
  • Try natural stress relievers like meditation, yoga, prayer, reading, writing or volunteering
  • Consider using adaptogen herbs that help your body deal with stress and control cortisol levels
  • Consume more anti-inflammatory foods, including garlic, apple cider vinegar, banana, avocado, flaxseed, ginger and coconut oil.
3. Reduce Intake of Inflammatory and Allergen Foods
To help keep inflammation as low as possible, it’s important to stick to keeping your diet as unprocessed as possible, focusing on eating whole foods. Minimize your intake of packaged and processed foods known to worsen autoimmune reactions and allergies, including:
  • Added sugar and sweetened beverages
  • Processed oils like corn, soy, canola, safflower and sunflower oil
  • Fried foods and trans fats
  • If you’re prone to allergies, foods like refined grain products made with wheat, conventional dairy, shellfish and peanuts
4. Stay Hydrated
Be sure to supply skin with enough hydration by drinking plenty of water throughout the day. Avoid having too much salty food, alcohol, caffeine or sugary drinks, which can aggravate and dry out the skin, instead having things like coconut water, green tea, and homemade smoothies or juices to increase fluid intake.
5. Use Healing Coconut and Essential Oils
Because real coconut oil contains medium-chain fatty acids, including lauric acid and capric acid, it has strong antiviral, antimicrobial and antifungal properties. Coconut oil applied to the skin has been shown to help reduce excess yeast, microbes and fungus that can lead to irritation, too much oiliness or dryness. Even better, use coconut oil on the skin along with soothing essential oils — like cedarwood oillemongrassrosemary, tea tree and lavender.
To make a homemade treatment for scaling, itchy skin that you can keep at home to use several times, combine eight drops cedarwood, eight drops rosemary oil, six drops tea tree oil, one teaspoon local honey and four ounces coconut oil (or olive or almond oil). Massage onto the affected area, including the scalp, leave on for about 15–20 minutes, and then gently rub or rinse off. These oils contain antiviral, antibacterial and antifungal properties, much like coconut oil, and they can reduce inflammation and treat infections.
6. Avoid Irritating Beauty Products
Symptoms of dermatitis are likely to be made worse when you apply chemical-heavy products to your skin on a regular basis. Itching, picking and over-cleaning the skin might also make things worse. 
Use natural, organic products on your skin as much as possible, being careful to especially avoid commercial shampoos with chemicals if you have dandruff. Most beauty products contain chemicals that are drying or harmful, so look for those made without ingredients like parabens, sodium laureth or lauryl sulfate. Instead, to clean, tone and hydrate the skin without irritation turn to natural skin care products like apple cider vinegar, tea tree, witch hazel, shea butter and aloe vera gel. It’s also important to avoid other causes of contact dermatitis, including:
  • Poison ivy or poison oak
  • Fragrant soaps, detergents, shampoos, perfumes and lotions that might be on your clothes or household fabrics
  • Latex (if you have an allergy)
  • Specific natural products that might trigger an allergy, such as certain essential oils or active constituents if you’ve experienced rashes in the past

Seborrheic Dermatitis vs. Scalp Psoriasis

  • SD can sometimes be accompanied by other dermatological disorders, which can make treatment difficult. The good news, however, is that many of the same treatments used for dermatitis (like reducing intake of allergens, avoiding chemical skin care products and improving immune function) also apply to treating skin conditions like eczema and psoriasis.
  • Early SD can be distinguished from scalp psoriasis in that it appears “spongiform,” meaning pores appear enlarged and open like a sponge.
  • SD can also cause skin to appear greasy, while psoriasis usually causes more dryness and red scaling.
  • Patients with psoriasis that have facial or scalp flaking can also look for signs of lesions on the elbows or knees. Psoriasis also causes nail pitting, while dermatitis normally doesn’t.

Seborrheic Dermatitis Facts and Statistics

  • About 5 percent of the general population suffers from seborrheic dermatitis.
  • Up to 70 percent of infants experience some type of dermatitis on their scalps (often called cradle cap) within the first three months of life.
  • In adults, SD symptoms most commonly start between the ages of 30–50.
  • Patients with seborrheic dermatitis develop symptoms on the face and scalp most often. About 88 percent of patients have facial symptoms, 70 percent on the scalp, 27 percent on the chest, and only about 1 percent to 2 percent on the arms or legs.
  • Dandruff is now considered a mild, noninflammatory form of SD. Dandruff is extremely common with a prevalence as high as 50 percent of the population.
  • In the U.S., approximately $230 million is spent every year treating symptoms of SD, especially those affecting the face and scalp, which can cause the biggest decrease in quality of life.
  • More men than women have SD, but there appears to be no preference for any racial or ethnic group.
  • People with other health conditions that affect the immune system get dermatitis most often, such as those with allergies, leaky gut syndrome or autoimmune disorders.

Precautions When Treating Seborrheic Dermatitis

Experts warn that because dermatitis tends to be chronic, patients should be made aware that seborrheic dermatitis is usually recurrent and that the condition may cause outbreaks of symptoms from time to time even after successful treatment. Rather than simply assuming your symptoms indicate SD, it’s important to visit a dermatologist to get an accurate diagnosis, since this helps with treatment.
Your doctor will be able to make a differential diagnosis between SD and other conditions like psoriasis, rosacea, Demodex dermatitis, atopic eczema, pityriasis versicolor, contact dermatitis and tinea infections. Knowing the specific type of skin condition you have, as well as what the underlying causes are, will keep symptoms from worsening or causing other untreated immune reactions.

Final Thoughts on Seborrheic Dermatitis

  • Seborrheic dermatitis is a type of eczema, most often causing facial redness, skin dryness or dandruff/scalp itchiness.
  • Causes of SD are related to abnormal immune responses, growth of yeast on the skin and changes in oil production. Symptoms can be triggered by factors like emotional stress or depression, fatigue, exposure to dry conditions, systemic infections, use of certain medications, and other factors that can hinder immune function.
  • Natural treatments for seborrheic dermatitis include applying essential oils and coconut oil to the skin, reducing intake of inflammatory or allergy-causing foods, controlling stress, and avoiding chemical products that can increase skin irritation.

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