Dandruff is a common scalp
condition found in almost all age groups. It may cause irritation due to an itchy
and flaky scalp. It is caused due to a yeast infection and other fungi. There
are several brands on the market which work differently on various types of
dandruff. The difference lies in the key ingredient or the active ingredient
present in these, otherwise ordinary shampoos.
All dandruff shampoos contain a
basic scalp cleanser i.e. sodium laureth sulfate or ammonium laureth sulfate
which creates a lather when mixed with water. Some manufacturers use ketoconazole,
or salicylic acid as a key ingredient in dandruff shampoos. These chemical
derivatives regulate the keratinization. They act tough on the fungal growth on
scalp and are effective in physically removing dandruff. However, the
effectiveness of these shampoos depends on the amount of active ingredient
added in the shampoo.
Another active compound found in
major dandruff shampoo brands is zinc pyrithione which is popularly known as
ZPT. It acts as an antibacterial and antifungal agent. It is effective in
healing most common forms of dandruff. Other than chemical compounds, some dandruff
shampoos come with natural derivatives such as Neem and sandalwood oil which
may be effective in healing dandruff and also have a soothing effect on the
scalp after a wash.
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