Jack Black True Volume Thickening Shampoo. – Expansion Technology, Basil & White Lupine – Thickening Hair Products for Men & Women, Sulfate-Free Hair Shampoo

Customers find this shampoo effective as a daily product that makes hair thicker and adds volume, with a pleasant fragrance. They appreciate its cleansing properties, leaving the scalp nice and clean, and note that it makes hair feel soft afterwards. While some customers say it's worth every penny, others find it pricey for the results, and there are mixed experiences with dryness - some report it doesn't dry out their hair at all while others say it's very drying.