Helianthus annuus seed oil is a non-volatile, non-scented sunflower plant oil used as an emollient in cosmetics. This seed oil's 60% (on average) linoleic acid content has the ability to help regenerate, strengthen and soothe the skin. This oil also contains other beneficial fatty acids that the skin can use, including oleic acid, palmitic acid, stearic acid and a small amount of omega-3 linolenic acid.
Helianthus annuus seed oil is particularly beneficial for dry, dehydrated or environmentally compromised skin because its linoleic acid content helps the skin synthesize its own lipids (fats), including ceramides, which visibly repairs its barrier and leads to smoother, healthier skin.
Helianthus annuus seed oil also has a natural soothing effect on the skin, so it can be useful in reducing signs of skin stress or irritation. In fact, research on infants with atopic dermatitis has shown that topical sunflower oil is a viable ingredient to alternate with topical steroids that are usually prescribed to control symptoms of this skin condition. https://www.paulaschoice.com/ingredient-dictionary/ingredient-helianthus-annuus-seed-oil.html?q=Helianthus%20Annuus%20Seed%20Oil&fdid=ingredients