GIOVANNI Tea Tree Invigorating Shampoo – Special Clarifying Shampoo w/Organic Natural Oils for Women & Men, Cleansing & Moisturizing for Thin Hair, Rosemary, Eucalyptus & Peppermint Oil – 128 Fl Oz

Customers find this shampoo effective and appreciate its cleansing power, with one noting it's the best anti-dandruff formula. The product provides a cooling tingle sensation on the scalp and leaves it feeling clean, with one customer mentioning it removes all buildup. While some customers say it's perfect for dry hair, others find it too drying, and there are mixed experiences with scalp irritation - some report relief while others experience itching.