L'Oréal Professionel Keratin Alpha Sleek Serum 50ml

This heat-activated smoothing serum formulated with Keratin Sealer 5 percent to deliver sleek, polished hair with long-lasting frizz control.

Designed for professional results at home, this advanced serum seals the hair structure to smooth the fibre, control volume, and protect against humidity and heat.

• Seals the hair structure for long-lasting smoothness
• Controls volume for up to 10 washes*
• Anti-humidity protection up to 80 percent humidity*
• Heat protection up to 230°C
• Reduces styling time by up to half**
• Delivers up to 2 weeks of smoothness and frizz control when used as part of the full routine**

Apply to damp hair and activate with heat using a hair dryer. For longer-lasting, mirror-like smoothness, finish with a straightening iron