Description
Vitamino Color Spectrum Professional Yellow Tones Neutralising Shampoo by L’Oréal Professionnel, formulated with purple dyes & caring agents leaving hair feeling cleansed. 

The system helps to lock dyes within the hair fibre using patented technology*. Lock in your day 1 colour vibrancy for up to 100 days**. Up to 72hr glass shine*** Up to 72hr radiant hair*** Tone preservation*** Unwanted reflects are neutralised*** 
 
Proven Efficacy on the 5 colour dimensions****:
1. Shine: High Glass shine 
2. Vibrancy: Rich, vibrant colours
3. Contrast: Optimal perception between multiple shades
4. Tone: Helps neutralise unwanted reflects
5. Brightness: Level of brightness and darkness are well preserved
 
The creamy purple formula instantly neutralises undesired yellow undertones for blonde hair. 
 
*Patent granted in France
**Instrumental test after 49 washes using the full Vitamino Color Spectrum routine
***Instrumental test after 4 weeks of application