LOreal Serie Expert Liss Unlimited Keratinoil Complex SOS Smoothing Double Serum is designed to give you up to 4 days protection from frizz and fly-aways. Boasting a formula enriched with Pro-Keratin and Evening Primrose Oils which work to give the hair a sleek and softened finish. Giving your locks a super salon like shine, this serum has a lightweight formula that doesnt weigh the hair down. Also containing Kukui Oils for that lasting finish, its a must have for your haircare regime.