
How to read a dilution percentage is on Aroma Science.
In a humid summer, oil can feel too heavy. Grapeseed Oil is the lighter choice.
Helen McGuinness describes it as fine, thin, and not greasy — one of the all-purpose carriers therapists like to use.
1. Why it suits a humid climate
- Almost like water: it spreads well, and leaves almost no oily film.
- A slight astringent: a light tightening feel, suited to oily and blemish-prone skin.
- Antioxidant: rich in linoleic acid and proanthocyanidins, which help the skin resist oxidation.
2. Two classic blends (with sources)
Blend 1: a light daytime oil for oily skin
- Who: a shiny T-zone, spots, and visible pores.
- Source: The Complete Book of Essential Oils and Aromatherapy, Valerie Ann Worwood (Page 342)
- Carrier: Grapeseed oil 30ml (the book suggests hazelnut or grapeseed as a fresh base)
- Essential oils: Juniper berry 8 drops + Geranium 10 drops + Petitgrain 10 drops.
- How: after cleansing in the morning. It helps keep oil in check through the day and leaves a matte feel.
Blend 2: a light full-body massage oil
- Who: puffiness, or a large-area massage when a heavy oil is unwelcome.
- Source: after Helen McGuinness, Aromatherapy: Therapy Basics (Page 150)
- Carrier: Grapeseed oil 100%
- Note: the book says grapeseed can be used at 100% as the carrier, especially for a full-body massage. It absorbs quickly, needs no rinse, and skin feels smooth rather than greasy.