
Formulator’s Queries, We Answered
1. What is Rosemary Oil?
Rosemary Oil is a highly valued essential oil obtained from the flowering tops and leaves of the Rosmarinus officinalis (Rosemary) plant, typically by steam distillation. It is commonly used in the personal care and cosmetic industry due to its antioxidant, stimulating, and refreshing properties.
2. What is the CAS Number and INCI Name of Rosemary Oil?
CAS Number: 8000-25-7
INCI Name: Rosmarinus Officinalis (Rosemary) Leaf Oil
3. What are the common applications of Rosemary Oil in personal care products?
Rosemary Oil is used in a variety of formulations, including:
Hair oils and serums (promotes hair growth and reduces dandruff)
Shampoos and conditioners
Facial cleansers and toners
Body lotions and creams
Aromatherapy oils
Bath and massage oils
4. What are the benefits of Rosemary Oil in cosmetic formulations?
Helps stimulate blood circulation in the scalp, promoting healthier hair growth.
Provides antioxidant protection to the skin and hair.
Acts as a natural astringent, helping balance oily skin.
Offers a refreshing and invigorating herbal scent.
Has mild antimicrobial and soothing properties.
5. Is Rosemary Oil safe for cosmetic use?
Yes, Rosemary Oil is generally regarded as safe when used within recommended concentrations. However, it should be diluted properly to avoid skin sensitization, especially in leave-on products. Typical usage levels range from 0.1% to 3%, depending on the formulation type.
6. Does Rosemary Oil have any regulatory or safety considerations?
Avoid high concentrations to reduce the risk of skin irritation.
Recommended to perform patch tests when formulating leave-on products.
Not recommended for use by pregnant women in high doses due to potential stimulating effects.
Compliant with most international cosmetic regulations when used appropriately.
7. Is Rosemary Oil suitable for natural and organic formulations?
Yes, Rosemary Oil is highly suitable for natural, organic, and clean beauty products, as it is plant-derived and processed without synthetic additives.