Dandruff of scalp is a serious issue affecting the scalp of men and women across the globe. Dandruff is a common scalp disorder with flaky scales and itching of scalp. Sometimes the white flakes falling over shoulders and clothes may lead to low self esteem and depression to the individuals having dandruff.
Dandruff is considered as a non-inflammatory condition of scalp and hair although the precise mechanism causing dandruff is still unclear. Mostly the symptoms of dandruff overlap with that of seborrhoeic dermatitis.
Malassezia is a fungus infection which is often connected with dandruff although it is not regarded as the microbe causing dandruff.
It is an intriguing fact that some steroid medications clearing off dandruff although dandruff is not included in the list of immune mediated diseases.
Dandruff is common among people who are obese and depressed. Therefore, role of hormonal imbalance is a hotly debated topic in connection with dandruff. Emotional stress worsens it.
Dandruff is associated with hair loss also.
What are the causes of dandruff?
The following factors are presumed to contribute to dandruff:
- seborrheic dermatitis
- overgrowth of a fungus Malassezia
- stress
- dryness of scalp skin
- allergic reactions to some cosmetic products
- eczema or psoriasis
- Dietary factors
Dandruff & weather conditions
Excessive exposure to sunlight may cause dryness and scaling of the scalp. Dry skin facilitates growth of dandruff.
Cold weather and winter also aggravate it. It can be assumed from these that dandruff shows seasonal fluctuation.
Dandruff &oily scalp
Dandruff is a condition of scalp characterized by increased proliferation of keratinocyte cells. Excess sebum or oil production on scalp may facilitate dirt and impurities to get clogged in the scalp. This may promote the growth of microbes that cause dandruff. Briefly, oily scalp may increase the dandruff risk. However, it has to be noted that everyone with oily scalp is not affected with dandruff.
Oily fat of sebum may help the formation of dandruff to some extent but it is not regarded as the primary cause. Other susceptibility factors of the person may play a major role in dandruff formation.
Dandruff is believed to occur from several other factors such as stress, seasonal changes, fluctuating hormones or excess fungus growth on the scalp etc. The severity of dandruff worsens in winter. In short, oily scalp is more prone to dandruff while other factors also have contributory role in causing dandruff.
Symptoms of dandruff
Dandruff presents as an itchy, scaly scalp and white oily flakes that may fall on the hair or shoulders. It may get worse during the autumn and winter months when the air is very dry.
Individuals having seborrheic dermatitis may have irritated, oily scalp skin and are prone to get dandruff. The skin may appear red, greasy, and covered with flaky white or yellow scales in this condition.
Treatment for dandruff
The American academy of dermatology recommends antidandruff Shampoos and scalp treatment as the solutions for dandruff. Most antidandruff shampoos may have ingredients such as ketoconazole, selenium sulphide,tea tree oil, salicylic acid etc. Different types of shampoos are available in the market. For the best results, always follow the instructions on the shampoo bottle.
Beware of using an anti-dandruff shampoo containing coal tar. Tar shampoo may discolor blonde, grey or white hair, so if you have light-colored hair, you may have to choose a different type of anti -dandruff shampoo.
Tar shampoo also may make your scalp more sensitive to sunlight.
It is advisable to use a conditioner after shampooing your hair. This may help to maintain the moisture content and shine of the hair.
Consult a dermatologist for properly diagnosing your condition and suggest a customized treatment plan.
A dermatologist can suggest a treatment plan based on the underlying causes for dandruff.
Diet to improve scalp health &prevent dandruff
• It is recommended that follow a well-balanced diet to improve scalp health and hair growth.
• Zinc in adequate amounts is important for hair growth and health as it regulates the levels of androgens or male hormones in the body. Any reduction in androgens has been linked to dandruff and also slow hair growth. Consume zinc rich natural foods such as sea foods, some green leafy vegetables, oysters, lobster, baked beans, pumpkin seeds, chickpeas, almonds etc. Do not take supplements without directions from a healthcare provider.
• Omega 3 fatty acids –it helps in managing oil production, regulating inflammation and improving hydration of scalp skin.
• Fruits and vegetables- they contain many antioxidants and anti-inflammatory compounds that can improve scalp skin health.
• Biotin rich foods-egg yolk, salmon, nuts etc. help to improve the health of hair, nails, and skin.
• Zinc rich foods –oysters, lobster,baked beans,pumpkin seeds, chickpeas,almonds.
Home remedies for dandruff management
• Exfoliating the scalp regularly with hair and scalp masks can avoid dead skin cells clogging the pores on scalp.
• Stress reduction is important as anxiety worsens seborrheic dermatitis. Do practice mind body exercises.
Some natural ingredients for reducing dandruff:
- Fenugreek seed
- Aloe vera gel
- Apple cider vinegar
- Coconut oil with lemon
- Olive oil
- Green tea
To know in detail about the properties and good effects of each ingredient click on the list given above.
These ingredients have nutrients as well as phytochemicals which can give relief from dandruff if used as topical application on scalp and hair. Among these ingredients Fenu Greek seeds are very effective agents with potential to reduce dandruff and inflammations of scalp.
Olive oil also is anti-inflammatory. Aloe vera gel has unique role in hair smoothening and growth. Aloe Vera is intensely moisturizing to the hair and removes the dryness of hair. It has antibacterial and anti-inflammatory properties. Moreover aloe Vera contains antioxidants also.
Green tea has antioxidant properties. It is anti-inflammatory also. It reduces the UV rays of sun induced damage to hair. Coconut oil is deep penetrating and intensely moisturizes your hair
Hair mask for preventing dandruff
Aloe Vera hair mask
Ingredients
Aloe vera gel 2-4tbsp
Coconut oil 2tbsp
Olive oil 1tbsp
Green tea 1 tbsp
Soaked fenu Greek – 1 tsp
Preparation
- Soak Fenu Greek seeds in water overnight and make it a paste grinding in a mixer.
- Use either aloe Vera gel bought from market or aloe Vera gel extracted out of the plant.
- Mix 2-4 tbsp aloe vera gel [depending on your hair length] with 2tbsp coconut oil and 1tbsp olive oil.
- Add green tea solution 1tbsp.
- Add all these ingredients mix into the fenu Greek seed paste.
- Stir well and apply the mask on your scalp and hair gently. Use a wide toothed comb to spread it all over the length of your hair. Do not rub it on your hair as friction may damage hair roots.
- Leave it on your hair for 30 minutes so that the nutritional properties of aloe Vera and oils may nourish the hair well.
- After 30 minutes wash with a non-sulphate shampoo or mild herbal shampoo.
- Let air dry the hair.
This hair mask may leave your hair soft, shiny and silky
writte by dr sanjana p
References for further reading