Natural solid shampoo with a tonic effect, especially formulated for hair lacking volume. Its formula with rosemary and quina tones fine and straight hair, helping to control scalp sebum, stimulate hair growth, and strengthen the hair fiber. It gives hair the needed boost for more body and volume, leaving hair soft, shiny, and full of vitality. Perfect for boutique retailers, salons, and concept stores, it’s a plastic-free, natural hair care solution with strong appeal for environmentally conscious shoppers. The ready-to-display packaging and minimalist ingredient list make it ideal for modern, ingredient-focused beauty collections and as a unique gift or tester product. Tags: volume solid shampoo, strength shampoo bar, rosemary hair care, quina shampoo, eco-friendly haircare, artisan shampoo puck, natural shampoo bar, plastic-free haircare.