What are some common shampoo ingredients that are known to be beneficial for hair health?

Some common shampoo ingredients that are known to be beneficial for hair health include:

1. Biotin: Helps strengthen hair and promote growth.
2. Keratin: Helps repair and protect hair from damage.
3. Argan oil: Moisturizes and adds shine to hair.
4. Vitamin E: Nourishes and strengthens hair.
5. Aloe vera: Soothes and hydrates the scalp.
6. Coconut oil: Conditions and softens hair.