List the different hair dressing products identifying their pH levels?

1. Shampoo - pH level typically ranges from 4.5 to 6.5
2. Conditioner - pH level typically ranges from 3.5 to 6.0
3. Hair mask - pH level typically ranges from 4.0 to 6.0
4. Hair oil - pH level typically ranges from 4.0 to 7.0
5. Hair serum - pH level typically ranges from 4.0 to 6.0
6. Hair spray - pH level typically ranges from 5.0 to 7.0
7. Hair gel - pH level typically ranges from 5.0 to 7.0
8. Hair mousse - pH level typically ranges from 5.0 to 7.0

Product | pH Level
------- | --------
Shampoo | 5.5 - 6.5
Conditioner | 3.5 - 5.5
Hairspray | 7.0 - 8.5
Mousse | 7.0 - 9.0
Gel | 6.5 - 8.0
Pomade | 7.0 - 9.0
Hair Wax | 6.0 - 8.0
Hair Oil | 7.0 - 8.5
Bleaching Agent | 9.0 - 12.0
Hair Dye | 7.0 - 9.0
Perming Solution | 8.5 - 11.0
Relaxing Cream | 8.0 - 10.0