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Bio Straight Shampoo – 300ml / 1.5l

Bio Straight Shampoo is a post-treatment aftercare for the Bio Straight Treatment. It was developed especially for treated hair to help prolong the beautiful effects of the treatment. It has a balanced and efficient formula that cleans the hair without stripping or harming the cuticles. It softens and gives the hair an amazing shine. It is sulphate-free, anti-frizz, and designed to keep the hair smooth and shiny for longer.

Recommended for use after Nature Eva’s Bio Straight treatment to maintain beautiful results and upkeep smoothness, hydration, and shine.


  • Gives hair a soft touch

  • Prolongs treatment

  • Maintains smoothness, hydration, and shine

  • Cleans without stripping or harming the cuticles

  • Anti-frizz

  • Sulphate free


Hydrolyzed Wheat Protein – Rich in amino acids and vitamins to work as a conditioning agent. Breaks through the hair cuticle to strengthen the hair strand, provide moisture, prevent breakage and add shine. 

Hydrolyzed Vegetable Keratin – Replaces the amino acids lost due to damage of the hair fibre or hair sensitised by dyes and chemical processes. 

Hydrolyzed Collagen – Hydrolyzed Collagen has approximately 20 types of amino acids in its composition. In addition to being deeply nourishing, it also has reconstructive properties.

Amino Acids – The combination of different amino acids restores the hair and gives strength, elasticity and resistance. 

Coconut Oil – Antioxidant properties provide intense hydration to the hair and is rich in vitamin E and Omega 6, fighting unwanted split ends maintaining a protective layer and eliminating frizz. 

Cranberry Extract – A powerful antioxidant that protects the hair fibre from ageing and oxidation damage. It also prevents hair colour from fading, keeping it bright and vibrant. 

Organic Acids – Organic Acids are found naturally in the juices of many fruits and vegetables. When in contact with the hair they help to seal the cuticles and eliminate alkali residues (accumulation of products that damage the hair). In addition to being activated with the heat of the dryer and the iron, producing a high level of shine, softness and reduced frizz. 


  • Apply the shampoo to wet hair, repeat if necessary, lather and rinse off.

  • After shampooing, apply the conditioner to the hair. Leave for 5-10 mins, lather and rinse off.


  • External use only. 

  • Keep out of reach of children.

  • In case of contact with eyes, rinse thoroughly with clean water. 

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