How often should you actually be washing your hair? It might qualify as a “million dollar question” but this one does not have just one single answer. In fact, it has many answers as multiple factors should be considered.
Your hair gets greasy because glands in the skin produce an oily product called sebum, which keeps hair moist and prevents it from drying out.
Sebum is created by sebaceous glands located next to hair roots which distribute the sebum into the hair follicle. It seeps out of the follicle and onto the scalp and hair.
Washing your hair every day isn’t really necessary as it may dry your hair out, leaving it prone to breakage. Shampoo is an emulsifier that captures and traps excess oil, dirt, and product residue, which you then rinse out to clean the hair. Since it takes on average 2-3 days for the hair to “get dirty” with excess oil, most people do not need to wash it every day, but there are some exceptions. People who exercise a lot should wash their hair daily to remove sweat as well as those with very fine hair, people with oily scalp, and people living in very humid places.
The type of hair is another important factor to be considered. People with thicker and long hair may only need to wash it once or twice a week. For the average person, every other day, or every 2 to 3 days, without washing is generally fine but if you have fine hair that it’s more likely to look limp the day after a wash, you may want to wash it more frequently.
Another important aspect is the environment. For example, people living and working in big cities (urban areas) are exposed to more fumes from cars and pollution and daily shampoo and conditioning may be a good idea.
Rounding up our list, the quality of shampoos and conditioners. Today, these products are much better than 20-30 years ago as companies have developed different formulas for each and every type of hair. Most shampoos and conditioners use good ingredients putting goodness back into the hair in the form of proteins or moisture rather than being just a plain detergent.
So, the final answer is up to you. Check the type and length of your hair, how dirty it gets from environment and exercise and the type of products you use to decide how often you should be washing your hair.
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