top of page
Nature Eva Biostraight-Conditioner-1-5l.png



Bio Straight Conditioner 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. Enriched with Hydrolyzed Collagen, Hydrolyzed Keratin, Wheat Protein, and Amino Acids to condition the hair fibre, stabilise the pH, and smooth the cuticles providing long-lasting shine.

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


  • Stabilises the hair’s pH

  • Prolongs treatment

  • Maintains smoothness, hydration, and shine

  • Provides moisture

  • Prevents breakage

  • Strengthens

  • Anti-frizz


Hydrolyzed Wheat Protein – Rich in amino acids and vitamins to work as a conditioning agent. Breaks through the 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 a 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 iron, producing a lot of shine, softness and reduced frizz. 


  • Apply Bio Straight Shampoo to wet hair and rinse.

  • Apply the conditioner to the mid-length and ends of the hair. Leave for 5-10 minutes, lather and then rinse.


  • External use only.

  • Keep out of reach of children.

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

bottom of page