* Nioxin: A brand that specializes in products for thinning hair.
* Nutri-Ox: Another brand that focuses on hair loss and thinning hair.
* Nourishing Oil: Many hair oils are marketed as "nourishing" oils.
* Nexxus: A hair care brand that offers shampoos, conditioners, and styling products.
* Neutralizing Shampoo: Used after chemical treatments like relaxers or perms to restore the hair's pH balance.
* Nail Glue: While not specifically for hair, it can be used as a hair accessory adhesive.
* Natural Hair Products: Products containing natural ingredients.
* Nourishing Conditioner: A deep conditioner to replenish moisture and strength.