Black currant seed oil is notable for containing both omega 6 gamma linolenic acid and omega 3 stearidonic acid, an unusually balanced essential fatty acid profile compared to most seed oils.
Gamma linolenic acid is a precursor to a form of prostaglandin associated with a calmer inflammatory response, underlying claims of reduced inflammation, while the oil's essential fatty acid content also supports barrier lipid synthesis.
A laboratory study using human dermal fibroblasts found black currant seed oil reduced UVB induced oxidative stress and limited collagen degrading enzyme expression, though this evidence is from a single in vitro study rather than a human clinical trial on intact skin.
Black Currant Seed Oil References
Ribes nigrum L Prevents UVB mediated Photoaging in Human Dermal Fibroblasts, Potential Antioxidant and Anti Inflammatory Activity, 2018
Characterization of Canadian black currant (Ribes nigrum L) seed oils and residues, 2009
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Reliable, well tolerated ingredients that do their job without complaint. They may not carry the headline benefits of a Best rated active, but they hydrate, stabilize a formula, or support the ingredients around them in ways that make a real difference in how a product performs and feels.
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Ingredients with documented potential to irritate skin, disrupt the barrier, or trigger sensitization in some users, often synthetic fragrance, drying forms of alcohol, or certain essential oils. Not automatically a dealbreaker for every skin type, but worth knowing about before you commit to a product.
