Color:Birch Bark Shampoo + Conditioner Protect your hair color with Herbal Essences Birch Bark Extract Sulfate-Free Gentle Cleanse Shampoo. Our real botanicals are endorsed by Royal Botanic Gardens, Kew, the world's leading expert on plants. This shampoo, with real botanicals, gently cleanses and protects color-treated hair. Birch Bark Extract Shampoo is also EWG Verified to meet the Environmental Working Group's standards on ingredient selection, transparency and manufacturing. Gently condition hair while protecting its color with Herbal Essences Birch Bark Extract Sulfate-Free Gentle Moisture Conditioner. Color-safe and pH-balanced, this conditioner infuses notes of ocean mist, dewy florals and warm amber into your hair-leaving it soft and smooth.