Hair Oil A nourishing hair oil for dry hair and scalp care. Manufacturer: Dr. Hauschka $39.00 Custom wishlist OK Add to wishlist Qty: Add to cart Email a friend A nourishing hair oil for dry hair and scalp care.How to useBefore washing, spread over damp hair lengths and ends and leave for at least 20 minutes, then shampoo and rinse thoroughly. For dry tips, a very small amount may be left in.