The no poo method is not bad for your hair when done occasionally although when done too often it could do more harm than good.
The no poo method is a method of washing your hair using no shampoo and instead using all natural ingredients to wash your hair such as with baking soda, clay and natural oils.
The benefits of no poo method are bettered textured hair and less need for hair styling products and less hair exposure to irritating and harsh chemicals.
Using the no poo method is a healthier way of washing your hair and will help your hair retain moisture and keep the natural oils in your hair.
Other potential benefits of skipping shampoo and using the no poo method when washing your hair are healthier hair and scalp that produces a balanced amount of oil, more voluminous hair. better textured hair and less need for styling products.
Before shampoo many people would wash their hair using rice bran or a variety of plant materials or even homemade soaps.
In some cases some people would simply just use water and rinse their hair as good as they could.
Another way that people washed their before shampoo was to crack an egg open on their head and use the egg yolks to wash their hair with.
You should wash your hair at least once a week unless your hair gets more dirty more often.
Washing your hair once or twice a week is good enough for most people and washing your hair too often can cause damage to the hair and strip your hair of natural oils.
Washing your hair everyday is bad as it can strip your hair of natural oils and dry your hair out and dry your scalp out.
Unless your hair gets really dirty or you work in really dusty conditions where your hair gets dirty everyday then you should not wash your hair everyday.
Washing your hair once or twice a week is enough for most people.
Washing your hair too often can damage your hair and cause dry and itchy scalp.
It is bad to let your hair air dry as air drying your hair can cause trauma to the inner lipid layer and make your hair strands weaker as a result.
After washing your hair it's best to use a hair dryer to dry the hair.
But if you don't have a hair dryer then you will be fine with letting your hair dry other than possible damage to the inner lipid layer which can lead to weaker strands.