Overview
This professional leave-in serum from L'Oréal Paris Serie Expert is formulated for colour-treated hair that needs lasting shine and protection. It suits all hair types seeking a smooth, glass-like finish with reduced frizz, especially those who regularly use heat tools or live in humid conditions.
Key benefits
- Helps lock in vibrant colour for extended wear
- Delivers high-shine, glass-like finish
- Offers UV protection to support colour longevity
- Provides anti-frizz control even in high humidity
- Lightweight formula suitable for fine to thick hair
- Works with heat styling for enhanced results
Key ingredients
A silicone that coats the hair shaft to smooth the cuticle and boost shine while helping seal in moisture.
A conditioning silicone that improves manageability and helps protect colour-treated hair from damage.
Present at 5% to help envelop the cuticle, enhance shine and support longer-lasting colour fidelity.
A specialised silicone that contributes to heat protection and a smooth, frizz-resistant finish.
Hero actives only — see packaging for the full INCI list.
How to use
- Shake the bottle well before use and apply to cleansed, towel-dried hair.
- Use 1–2 pumps for fine to medium hair or 3–4 for thicker hair; section if needed and distribute evenly without rinsing.
- Dry hair fully using your usual method, then finish with a straightener set to at least 180°C for best results.