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          Crystal is a smoothing and repairing treatment based on proteins by Kal Professional . It helps to repair the fiber, smooth the surface hair and deeply nourish for softer, shinier lengths. Suitable for all hair types and especially for colored hair .
*According to the information visible on the product label.
| Brand | Kal Professional | 
|---|---|
| Name | The Crystal | 
| Product type | Smoothing hair care / protein treatment | 
| Hair type | All types, colored hair | 
| Actions | Repairs – Smoothes – Nourishes – Shines | 
| Without | Formalin (according to the label) | 
| Format | 1000 ml (33.8 fl oz) | 
| Area of use | Hair | 
Ideal in salons to discipline hair, add shine and reduce frizz while respecting color.