OGX Thick & Full + Biotin & Collagen Volumizing Shampoo and Conditioner Set is a sulfate free shampoo and conditioner duo expertly formulated to help plump, thicken, and add body to fine, flat, or thinning hair, making it ideal for those seeking fuller, more abundant-looking locks. This nutrient-infused set features vitamin B7 biotin, collagen, positioning it among the top hair thickening products for women and men. The hydrating, paraben-free formula with sulfate-free surfactants is gentle on the scalp and suitable for a wide range of hair types including fine, dry, oily, frizzy, and thinning hair, ensuring versatility for diverse hair care needs. Each wash delivers a signature bergamot, jasmine, and vanilla scent, transforming your hair care routine into a sensory experience that leaves hair with a fresh, irresistible fragrance. For best results, apply the shampoo generously to wet hair, massage into a rich lather, and rinse thoroughly, then follow with the conditioner to help enhance volume and body without weighing hair down. This biotin shampoo and conditioner set is part of the OGX collection of volumizing hair products and pairs well with OGX Biotin & Collagen hair hydration treatments to infuse nutrients into every strand, supporting the appearance of thicker, fuller hair over time. Designed for those looking for a sulfate free shampoo and conditioner that addresses the needs of thinning hair, this set is also suitable as a shampoo and conditioner for women and men who want to achieve healthy, voluminous results. Whether your hair is fine, thinning, or frizzy, OGX Thick & Full + Biotin & Collagen provides a gentle, effective solution for daily hair care, helping you enjoy hair that looks and feels more robust, vibrant, and full of life.