Session Label The Definer 150ml
Schwarzkopf Session Label The Definer is the perfect product to enhance, control and perfect natural curls and waves. It’s light yet effective formula calms frizzy, unruly curls and waves while helping to protect them against heat damage up to 230°C / 450°F.
Key Benefits
- Enhances, controls and perfects natural curls and waves
- No stiffness or stickiness
- Calms and tames frizzy, unruly curls and waves
- Helps protect against heat damage up to 230°C/450°F
- Exclusively professional hair product
| Product Details |
|---|
| Volume: 150ml |
| Heat Protection: Up to 230°C / 450°F |
| Formulation: Light, non-sticky |
| Target Use: Natural curls and waves |
FAQ
Can this product be used on straight hair?
It is specifically formulated for natural curls and waves. For straight hair, results may not be as noticeable.
Does it leave any residue on the hair?
No, the formula is designed to be light and non-sticky, leaving no residue.
Is it safe for color-treated hair?
Yes, it helps protect against heat damage and is suitable for color-treated hair.



Theresa Taylor –
I’ve used this product on my curly hair for several weeks now. It keeps the curls defined without making them stiff or frizzy. The heat protection is noticeable when I use a flat iron. My curls stay soft and defined even after styling.
Ruth Robertson –
Great for controlling frizz. My curls look more polished after using it. It doesn’t feel heavy or sticky, which is a big plus. Works well with heat styling tools.
Ruth Arnold –
The product delivers on its promise. My waves stay defined and smooth. I especially appreciate the heat protection up to 450°F. No residue after application.
Colin Paige –
I use it before blow-drying and it helps tame the frizz. The formula is light and absorbs quickly. Works best when applied to damp hair.
Christopher Knox –
Perfect for daily use. My curls stay defined throughout the day. No stickiness, no stiffness. The heat protection gives me confidence when styling with hot tools.