Shapleys Magic Sheen. The Shapleys Magic Sheen is designed to give the horse a super shine whilst also promoting a healthy coat, mane and tail. The Shapleys Magic Sheen will not dry out your horses hair and is safe to use every day. Magic sheen repels dirt and stains for up to a week which makes grooming easier and saves grooming time. Applying several times a week to mane and tail hair will keep them free of tangles and reduce hair loss. Spray Magic Sheen on wet or dry hair. Do not apply to the saddle area or on mane or tail hair to be plaited. Read more… Magic Sheen will give a protective coating to the hair that will reduce hair damage and will keep the hair smooth.