Where: Dampen hair and apply from roots to ends.
When: Use once a week or two to three times a week for damaged hair.
For: All hair types, especially for those with visible damage.
Available in 50ml or 100ml

#1 Product in Prestige Haircare*

A weekly at-home treatment, not a conditioner, that reduces breakage and visibly strengthens hair, improving its look and feel.

PRO TIP: Prime your hair for deeper repair with our professional-inspired No.0 Intensive Bond Building Hair Treatment (sold separately). Use No.0 as the first step in a two-part at-home system with No.3 Hair Perfector to strengthen and repair all types of damaged hair.

Scientifically Proven:
68% more repair & 3x stronger hair*
*When used as a two-part system in just one use.

PH Balance: 3.5-5

*Source: The NPD Group/ U.S. Prestige Beauty Total Measured Market, Haircare Product Sales, January-September 2021