Faith in Nature Shampoo Tea Tree (400ml). Faith in Nature Stockists. Established in 1974, we believe in harnessing the power of nature without harming it in the process. Our products are made using the highest quality, naturally derived, cruelty-free ingredients, with 100% natural fragrance - and they work beautifully. This shampoo contains naturally antiseptic tea tree oil to invigorate your senses whilst cleansing your scalp.. Normal to oily hair. Made using 100% natural fragrance. Made with essential oils. Free from Parabens and SLS. Vegan and Cruelty-Free. 99% Natural Origin. Directions:. Massage gently into wet hair, rinse well and repeat if required. For best results, follow with our Tea Tree Conditioner. In case of contact with eyes, rinse with clean water immediately. If irritation occus, stop use. Keep out of reach of children.