For Nioxin 5, stay with Hair Color. Two cards can share a phrase and still be different products — read the contents line first.
- Fiber or formula type versus the hair texture in the photos.
- Kit contents: tool only, plus guards, or plus product. Make sure Nioxin refers to this hair color item, not a nearby type.
- Length, density, or heat rating printed on the spec line, as listed for Hair Color.
Shortlist two Hair Color cards, confirm the hair color spec that matches how you will use it, then compare prices and ratings.