Fragrance Oil used in hair and beauty products may or may not be hypo-allergenic. Fragrance Oil is used to create an exact scent utilizing blends of hundreds of essential oils and flavonoids derived from frutis, resins and plants.
Fragrance Oils may or may not be completely water soluble.
Daily Hair Tip
According do stylist Kathe Swanson, Courtney Love had to have a special hairpiece pinned to her crown to give her blond mane length & fullness for the "Man In The Moon" movie.