The Secret of Botanicals: Nettle! From the root to the tips, rediscover healthy and purified hair with Yves Rocher Purifying Shampoo! The transformed hair feels and stays cleaner, longer and radiates with beauty. Yves Rocher Laboratories have selected organically grown Nettle for its purifying action. Enriched with Organically Grown Nettle which is known for its anti-seborrheics qualities, this Purifying Shampoo is ideal for oily hair!