#1 Shampoo in Prestige Haircare*
A highly-nourishing and reparative shampoo.
N°4 Shampoo repairs and protects hair from everyday stresses — including damaged hair, split ends, and frizz — by re-linking broken bonds. Leaves hair easier to manage, shinier and healthier with each use. N°4 is color-safe and proven to reduce breakage and strengthen all types of hair.
PH Balance: 6-6.5
*Source: The NPD Group/ U.S. Prestige Beauty Total Measured Market, Hair Product Sales, Jan-Jun 2021
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