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System Professional Liquid Hair XL4 100ml


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System Professional Liquid Hair

The System Professional Extra Liquid Hair is a reparative treatment for fragile, fine hair types.

Powered by patented LipidCode™, the thermo-activated formula works to refill the hair fibre. It reinforces strands for up to 5 washes, supporting a stronger look and feel.

Essential amino acids help to nourish weakened lengths. This hair treatment is designed to enhance the hair’s structure, promoting plump, long-lasting vitality.

Directions for Use:

  • Divide towel-dried hair into 4-5 sections.
  • Fill pipette and apply on each section. Distribute evenly from root to tip.
  • Comb through and dry for 5 minutes to bond the ingredients to the hair.



System Professional

In 1974, a group of hair-obsessed Wella scientists dedicated themselves to revolutionising hair care as we know it – prioritising results first. Their discovery? Your hair contains a unique profile of lipids that determine its elasticity, fibre health and responsiveness. Thus, System Professional was born – the first coded, modular system of performance care – inspired by science, and tailored to each hair type. After dedicating over 45 years to helping you achieve your hair goals, System Professional has become the secret language of the world’s top hairdressers; the inside track to hair care excellence that began in a beauty lab and turned into a global success story.


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