What is sweet almond oil?
Sweet almond oil is pressed from the kernels of the sweet almond tree, Prunus amygdalus dulcis (also listed as Prunus dulcis). It is a light, mild-smelling oil rich in oleic and linoleic fatty acids and is one of the most common carrier oils in cosmetics, massage oils and baby products. Historically it was used in Chinese, Ayurvedic and Greco-Persian medicine for dry skin conditions (Ahmad, 2010).
What the research says
Sweet almond oil is mainly an emollient: it softens and smooths the skin surface and helps reduce water loss. A 2010 review described traditional and anecdotal uses for dry skin, psoriasis, eczema and scarring, but noted that no conclusive scientific data existed for many of the claimed benefits (Ahmad, 2010). A 2022 review of sweet almond, evening primrose and jojoba oils concluded that, despite inconsistent studies and questionable designs, these oils do offer skin care benefits for dry and aging skin, and stressed that oil quality, stability and formulation strongly affect results (Blaak and Staib, 2022).
There is no good evidence that sweet almond oil has meaningful antifungal activity on its own or treats nail fungus. In nail oils, it most likely serves as a base that spreads other ingredients and keeps cuticles and surrounding skin moisturized, which can improve how nails look without treating an infection. Dry, cracked cuticles and brittle nail edges often look better with regular moisturizing, so people may notice cosmetic changes from any oil. That is worth knowing when reading testimonials for nail products built on carrier oils like this one.
How it’s used in products
Sweet almond oil is used as a carrier in nail and cuticle oils, massage oils, lotions, lip products and some baby oils, and as a cooking oil. In topical blends it is usually listed near the top of the ingredient list because it makes up much of the volume.
It is generally well tolerated on the skin. The main caution is allergy: almond is a tree nut, and people with tree nut allergies should avoid it or ask their allergist before using products containing it. Like other plant oils, it can go rancid with age, which may make it more irritating, so store products tightly closed and away from heat. Stop using any product that causes redness, itching or swelling. Sweet almond oil should not be confused with bitter almond oil, which is not used the same way.
Safety and cautions
Avoid if allergic to tree nuts; can become rancid with age; stop if irritation occurs.
Supplements we reviewed that contain it
★★★☆☆
Kerassentials reviewKerassentials is a topical oil for toenails and cuticles that combines 5% undecylenic acid with tea tree, clove, lavender and other oils. It...
Sources
- The uses and properties of almond oil. Complement Ther Clin Pract, 2010
- An updated review on efficacy and benefits of sweet almond, evening primrose and jojoba oils in skin care applications. Int J Cosmet Sci, 2022