LOreal Elvive Anti Dandruff 2 in 1 Shampoo and Conditioner. Elvive Anti- Dandruff 2 in 1, our 1st anti-dandruff shampoo inspired by skincare research to care for the scalp! Dandruff occurs when the skin on the scalp loses its balance.To effectively combat dandruff, you need to act on visible flakes whilst caring for the scalp, helping to restore a natural balance.