Here are some estimations of how long the products should last:
- Shampoo (8.5 oz/250 ml) 45–60 Days (1.5–2 months)
- Conditioner (8.5 oz/250 ml) 45–60 Days (1.5–2 months)
- Hair Mask (3.4 oz/100 ml) 45–60 Days (1.5–2 months)
- Hair Spray (5.1 oz/150 ml) 30–45 Days (1–1.5 months)