What ingredients should be present in treatments for dry hair and scalp?

Moisturizing and emollient ingredients are essential for treating dry hair and scalp because these components work to hydrate and soften the hair while restoring its natural oils. Dry hair and scalp often suffer from a lack of moisture, leading to brittleness and flakiness. Ingredients such as glycerin, shea butter, and natural oils (like argan or coconut oil) are examples of moisturizing agents that help attract and retain moisture. Emollient ingredients, such as fatty acids, help to smooth and soften the hair cuticle, making it more manageable and reducing breakage.

On the other hand, silicones and sulfates can be detrimental to dry hair. Silicones may provide temporary smoothness but do not address the underlying moisture issue, while sulfates are harsh cleansing agents that can strip the hair of its natural oils. Alcohol and astringents are typically used to remove excess oil and can further dry out the hair and scalp. Protein treatments can strengthen hair but may not address moisture needs, and acids, while beneficial for pH balance and shine, might not provide the necessary hydration for dry conditions. Therefore, focusing on moisturizing and emollient ingredients is crucial for effectively treating dry hair and scalp.