Alterna Caviar Infinite Color Dual-Use Serum 50ml


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A powerful dual-use serum that helps to rejuvenate color and intensify shine. This versatile, treatment serum wraps around hair strands with a lightweight veil of UV protection and moisture.  

Designed to be used either during the conditioning amplifier, or on damp hair as a leave-in treatment to protect color treatments and boost radiance. 

Suitable for all hair types, particularly colour-treated hair.

Free of parabens, sulphates and synthetic color.


  • Clinically proven to maintain colour vibrancy and shine for up to 70 days*
  • Leaves hair hydrated, smooth and shiny
  • Protects colour-treatments from UV fade when used as a leave in treatment
  • Protects hair from heat up to 232 degrees Celsius**


  • Age-Control Complex: a proprietary blend of caviar extract and antioxidants reinfuses hair with vital nutrients that are lost in the anti-aging process.   
  • Seasilk: blend of marine botanicals that provide exceptional moisture and nourishment to hair.
  • Enzymetherapy: optimizes penetration of ingredients to improve absorption of vital nutrients and support keratin production for stronger hair.
  • Dual Capture Complex: a proprietary blend of botanicals with potent antioxidant and rich essential fatty acids for ultimate protection against colour fade, wash-out and multi-dimensional 


As a leave in treatment: pump several pumps int palm and emulsify.  Press through damp hair, focusing on mid-lengths and ends first, then running through roots.

As a colour-charging addition to your conditioner: shampoo hair as normal.  Pour conditioner into palm and add several pumps of the Serum. Emulsify and apply to mid lengths and ends of hair.  Rinse thoroughly.

*With use of Infinite Color Hold Shampoo, Conditioner & Serum vs untreated hair
**vs untreated hair