Strengthen Concentrated Shampoo

How long will a bottle of Strengthen Concentrated Shampoo last?
What does the shampoo smell like?
Is the shampoo fragrance free?
Is the bottle recyclable? Is the shampoo sustainable?
Can I use the Strengthen Concentrated Shampoo and the AHA ACV Pre-Shampoo Rinse together?
Do I need to dilute this shampoo? What if I’m not seeing lather?
How often should I use the Strengthen Concentrated Shampoo?
Will this shampoo work on my hair?
Why is the bottle so small?
Is the Strengthen Concentrated Shampoo pH balanced?