Causes
Skin cells are formed continuously on the scalp, so the shedding of dead skin cells is a normal process. With dandruff, however, skin cells are shed at a faster rate than normal. Oil from the scalp causes the skin cells to clump together and appear as white flakes.Dandruff can be caused by a number of things, including dry skin; sensitivity to hair products; and skin conditions such as psoriasis, seborrheic dermatitis, or eczema. The overgrowth of yeast can also cause dandruff.
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Perming, Straightening or Curling Appliances which work to achieve perming, straightening or curling work mainly by heating your hair to give it the shape you desire. But they also end up sucking the natural moisture out of hair follicles, leaving your locks dry and brittle. This causes split ends. Rebonding Another similar process is called re-bonding in which, your hair is exposed to chemicals for over three hours. The chemical overload in this can also cause split ends. Blow drying: The hot air from the blow dryer sucks the natural moisture in your hair and causes split ends. Highlights and hair colouring: Chemicals wreak havoc with the natural chemical composition of your hair and colouring your hair very often and with poor quality colours can cause split ends. Excessive or strong shampoos: Always use mild shampoos meant for your hair type. Don’t experiment with shampoos too often. And while washing your hair, use shampoo only on your scalp, not on your hair. Using the wrong type of shampoo or using too much can make your hair rough, brittle and cause split ends. Brushing or combing: Comb your hair gently and never when wet. Vigorous drying and combing is the most common reason for split ends. Genetics: For some, hair with split ends is just a genetic problem. Called Trichorrhexis nodosa, this condition causes a defect in the hair shaft. So the hair is thick at some points and thin at others. This uneven texture causes it to break easily. Reference: http://www.thehealthsite.com/beauty/7-causes-for-split-ends/ For prevention techniques: https://www.babble.com/beauty/12-steps-to-treating-and-preventing-split-ends-2/ Please do know the use of each and every shampoo and then use it. Too many cosmetics can cause many problems.