"Hair Conditioner" is a straightforward product title that clearly describes the product's purpose. If you want to add a bit more detail or make it more appealing, you can consider variations such as:

1. "Moisturizing Hair Conditioner"
2. "Repairing Hair Conditioner"
3. "Volumizing Hair Conditioner"
4. "Natural Hair Conditioner"
5. "Silky Smooth Hair Conditioner"

These additional words provide information about the conditioner's benefits or ingredients, making it more enticing to potential buyers.