Hindkush Henna Black Herbal Hair Dye - Long Lasting Natural Hair Color for Women & Men (Pack of 2) | Safe Chemical-Free Gray Coverage for Home Use & Salon Styling" （注：1. 将"Color"改为更准确的"Dye"；2. 增加目标人群"Women & Men"；3. 强调"Chemical-Free"和"Gray Coverage"核心卖点；4. 补充家庭和沙龙两种使用场景）

Black henna herbal hair color is a natural hair dye made from the henna plant (Lawsonia inermis) and other botanical ingredients. It is commonly used to color hair black, and it is a popular alternative to chemical hair dyes. Henna has been used for centuries as a natural dye for hair, skin, and nails. When used as a hair dye, henna binds to the hair shaft and adds color, shine, and volume. Unlike chemical hair dyes, black henna herbal hair color does not contain harmful ingredients such as ammonia, peroxide.