Formulated with 5% Keratin Sealer, it helps seal the hair's keratin structure for long lasting smoothness and volume control for up to 10 washes*. This lightweight serum provides anti humidity protection in up to 80% humidity* and heat protection up to 230°C, while helping to cut daily styling time in half**. When used as part of the full Keratin Alpha Sleek routine, it transforms hair with up to 2 weeks of smoothness and frizz control**. Simply blow dry to activate, then use a straightening iron for even longer lasting results. The formula is free from artificial colourants and alcohol.

*Instrumental tests
**Instrumental test after 4 applications of Keratin Alpha Sleek Shampoo + Smooth Transformer + Serum.

How to use:

1. Shake well before use.
2. On washed, towel-dried hair, section hair into two parts.
3. Spray into your hand (start with two to four sprays for thin hair and six to eight for thick hair).
4. Distribute evenly from lengths to ends. Do not rinse.
5. This product is heat-activated. Blow-dry completely.
6. For maximum long-lasting results, use a straightening iron after blow-drying.