Bioshev Reconstructive Conditioner with Keratin and Silk is an exclusive formula that strengthens the hairs natural keratin, improving elasticity and preventing breakage, while providing intense smoothness and shine. Ideal for moisturizing and extending the life of extensions. Combats frizz and helps prolong the result after any heat treatment. INSTRUCTIONS FOR USE: After shampooing, apply a generous amount of conditioner to your hair and leave it in for 3-5 minutes. Rinse with cold water.