Hair moisturizer spray, a leave-in hair product, is a nourishing liquid applied to hair to replenish and condition dry, damaged, or chemically treated hair.
Hair moisturizer spray provides deep hydration, strengthens the hair shaft, and restores a healthy shine. Its benefits include detangling, preventing breakage, and protecting hair from environmental damage. The use of hair moisturizer spray gained prominence during the mid-20th century with the rise of hair styling tools and chemical treatments.