Carrier Oils and Dilution Flashcards

Rosehip seed oil is particularly valued for high concentrations of which fatty acid associated with skin regeneration?

Answer: Linolenic acid (Vitamin F)

Rosehip seed oil is exceptionally high in linolenic acid (omega-3) and trans-retinoic acid, supporting skin cell regeneration and reducing scars.

Which carrier oil has a comedogenic rating of 0 and is recommended for acne-prone skin?

Answer: Hemp seed oil

Hemp seed oil has a comedogenic rating of 0, meaning it won't clog pores, making it ideal for oily and acne-prone skin.

Which dilution percentage is recommended by NAHA (National Association for Holistic Aromatherapy) for a standard adult therapeutic blend?

Answer: 1–2%

NAHA recommends a 1–2% dilution for standard adult therapeutic blends used for massage and general skin application.

Which carrier oil is technically a butter at room temperature and is commonly used in body butters and solid massage bars?

Answer: Mango butter

Mango butter is solid at room temperature and melts upon skin contact, making it ideal for body butters and solid cosmetic products.

Which carrier oil is rich in gamma-linolenic acid (GLA) and is often used in blends targeting hormonal skin conditions?

Answer: Evening primrose oil

Evening primrose oil has high GLA content, which supports hormonal balance and is used in blends for eczema, PMS, and mature skin.

What is the maximum recommended total daily topical dose of essential oil for a healthy adult, according to safety guidelines?

Answer: Approximately 5–7 drops diluted appropriately

Safety guidelines generally recommend no more than 5–7 drops of properly diluted essential oil applied topically in a single day for adults.