When your hair starts to lose its vibrant luscious curls and stop glowing and bouncing as it used to, it’s time to give it a serious thought. The most likely cause for the sudden thinning of your hair is lack of nutrition that reaches the hair. Aging is a normal factor but the young generation is also at risk because studies show that thinning of hair is also stress related. In addition, the environment is becoming more and more polluted. For a start, you can deal with the problem using shampoo for thin hair.