Ingredients: Rosemary oil, olive oil, jojoba oil, avocado oil, sweet almond oil, coconut oil, basil oil, lavender oil, cedarwood oil, thyme oil, peppermint oil Serum is in an amber glass bottle This mixture has been proven to strengthen and even lengthen hair. Rosemary oil has many benefits for hair including, promoting hair growth, reducing dandruff, preventing premature graying (*this is why I made it and it works wonders! My gray hairs are very limited now!), and it may help treat alopecia areata or patchy hair loss. This is a handcrafted product and although it helps my hair it may not work for everyone. As always be aware of any allergies you may have, every ingredient used is listed.