Dermatitis
Understand Seborrheic Dermatitis
As the root of the word "derma" implies, Seborrheic Dermatitis - or simply Dermatitis - is a skin condition related to and found in the hair. Dermatitis is a reddening of the skin resulting from the interaction of sebum (hair oils) and yeast and bacteria causing irritation, itching and flakes.
Sebum is excreted from the sebaceous glands associated with all follicle pores. Sebum acts to coat and protect the follicle shaft and aid in flexibility, resilience and elasticity. Dermatitis is commonly considered the result of excess sebum and oiliness that create scales, flaking itching and rash (redness).
Common Symptoms of Dermatitis:
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Irritated scalp
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Flakes, flaking and itchiness
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Redness or localized scalp rash
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Oiliness or greasy scales
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Scalp rash or flakes on babies
Though comonly found anywhere on the scalp, dermatitis usually begins or is noticed at the front hairline. Trichologists believe dermatitis begins most often at puberty when sexual glands act to increase sebum (providing further evidenc of teen acne). Though adult dermatitis is most common, cradle cap is dermatitis found in babies.
Dermatitis Shampoo & Treatment:
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Hair shampoo that regulates sebum (oil)
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Products that contain Zinc PCA, sulfur or salicylic acid
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Frequent shampooing (twice daily if necessary
The most effective relief for dermatitis is either frequent shampooing or using a shampoo for dermatitis that helps to regulate sebum. Hair shampoo with sulfer, Zinc PCA and salicylic acid have been found to slow production of sebum and reduce scalp irritation.
Often confused for dandruff, dermatitis creates inflammation, generally considered unrelated to dandruff. Additionally, dandruff is considered a scalp-wide hair problem whereas dermatitis tends to be localized.
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