"Enhance your hair with the Kerargan Complete Treatment: Biotin & Collagen Shampoo, Conditioner, Mask, Serum & Leave In. 1. Biotin & Collagen Shampoo (500ml): A gentle cleansing base enriched with aloe vera, keratin and castor oil for a respectful wash. 2. Biotin & Collagen Conditioner (500ml): A moisturizing step thanks to keratin and argan oil for soft and revitalized hair. 3. Biotin & Collagen Hair Mask (500ml): A deep treatment with argan oil and aloe vera for radiant, healthy hair. 4. Biotin & Collagen Serum (100ml): A protective treatment that seals in nutrients, with precious oils such as argan, macadamia and jojoba. 5. Leave In with Biotin & Collagen (350ml): A daily leave-in treatment, enriched with aloe vera and castor oil for long-lasting hair beauty. Each product in this range is designed without sulfates, GMOs and mineral oils, for a hair routine that respects the environment and your hair.