Ideal for thinning hair, the KLORANE Quinine Duo features 2 fortifying haircare products to nourish, strengthen & refresh from root to tip. Shampoo with Quinine & Organic Edelweiss 200ml A gentle shampoo to strengthen fine, thinning hair. Quinine is believed to resist hair loss while organic edelweiss is thought to fight against premature hair thinning. Conditioner with Quinine & Organic Edelweiss 200ml This conditioner aims to fortify thinning hair with a renewed sense of vitality. Blended with organic edelweiss & quinine extract, the formula creates a fuller-looking illusion. The conditioner aims to deliver a detangled, manageable mane to decrease the need for tugging at strands.