Cool Girl Volume Cleansing Shampoo

Take your cleansing routine to new heights with Hair by Sam McKnight Cool Girl Volume Cleansing Shampoo, a science-backed, Kind to Biome® certified formula designed for weightless body and shine. Powered by Voluminis™, it delivers up to 30% more volume in one wash, helping hair look fuller, thicker and visibly healthier without compromise. Pro-Vitamin B5 soothes and hydrates the scalp, while Fermented Rice Water strengthens, restores and boosts natural shine with antioxidant-rich care. Gentle, scalp-friendly surfactants cleanse without irritation, making it ideal even for sensitive scalps. Finished in fully recyclable packaging, it’s the ultimate shampoo for lifted roots, increased thickness and effortless Cool Girl volume.