Solanum Nigrum Fruit Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Solanum Nigrum Fruit Extract?

Solanum Nigrum Fruit Extract comes from the small dark berries of the black nightshade plant, a member of the potato and tomato family. The fruit is rich in flavonoids, sugars, organic acids and small amounts of alkaloids that are largely removed during processing. Black nightshade has been part of folk remedies for centuries in Europe, Asia and Africa, valued for its soothing properties on the skin. Modern cosmetic chemists began exploring it in the late 20th century when gentle plant-based alternatives to synthetic softening agents were in demand.

The extract is produced by harvesting ripe berries, cleaning them and then steeping them in a water-glycerin or water-alcohol mix. This solution sits for several hours, allowing the beneficial molecules to dissolve. The liquid is filtered to remove solids, concentrated under low heat and finally standardized so each batch delivers consistent skin-loving components.

You will most often see Solanum Nigrum Fruit Extract in calming sheet masks, daily moisturizers aimed at sensitive skin, lightweight hydrating gels, after-sun lotions and some anti-aging serums that focus on comfort as well as firmness.

Solanum Nigrum Fruit Extract’s Cosmetic Benefits/Uses

This ingredient is valued mainly for one key role in skin care.

As a skin conditioning agent, Solanum Nigrum Fruit Extract helps the outer layer of skin hold water, soften and feel smoother. Its natural sugars attract moisture while its flavonoids support a calm appearance, so formulas featuring this extract can leave the face feeling supple and refreshed.

Who Can Use Solanum Nigrum Fruit Extract

Most skin types can benefit from this gentle plant extract. Dry and sensitive complexions may notice the greatest boost in softness and comfort, while balanced and slightly oily skin should also tolerate it well thanks to its light texture. Those with extremely oily or acne-prone skin can still use it, though they may prefer formulas where the extract sits in a non-greasy base. Anyone allergic to plants in the nightshade family should proceed with caution because a cross-reaction is possible, although the fruit’s potentially irritating alkaloids are largely removed during processing.

Because the ingredient is sourced entirely from a plant and no animal-derived substances are needed to produce it, Solanum Nigrum Fruit Extract is suitable for vegans and vegetarians.

Current research does not flag this extract as a concern for women who are pregnant or breastfeeding. Absorption through intact skin is minimal yet, as with any cosmetic ingredient, this is not medical advice and expecting or nursing mothers should show the product label to their healthcare provider before adding it to their routine.

Solanum Nigrum Fruit Extract does not increase the skin’s sensitivity to sunlight, so it will not make you burn more easily. Normal daily sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Solanum Nigrum Fruit Extract differ from person to person. The points below list potential side effects only; most users will not experience them when the ingredient has been formulated and used correctly.

  • Mild redness or stinging – can occur on very reactive skin shortly after application
  • Itching or dryness – occasionally triggered if the product contains a high level of drying alcohol alongside the extract
  • Allergic dermatitis – rare but possible in individuals sensitive to other nightshade plants like tomatoes or potatoes
  • Hives or swelling – extremely uncommon and usually linked to a true allergy rather than irritation

If any of these effects appear stop using the product and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0 – Solanum Nigrum Fruit Extract is supplied as a water or water-glycerin solution with virtually no fatty acids or heavy oils so it does not clog pores. The small flavonoid and sugar molecules sit on the skin surface or rinse away easily, keeping the risk of blocked follicles very low.

This makes the extract suitable for people who are prone to acne or frequent breakouts. There are no reports of it worsening blackheads or whiteheads when used in typical cosmetic concentrations.

As with any botanical, the finished formula matters. If the extract is blended into a rich balm or oily cream the overall product, not the extract itself, could feel heavy on acne-prone skin.

Summary

Solanum Nigrum Fruit Extract is mainly a skin conditioning agent that helps skin hold water, feel softer and look calmer. Natural sugars pull in moisture while gentle antioxidants from the berry support a soothed appearance.

It is not a blockbuster ingredient found in every new launch yet formulators who focus on gentle plant actives appreciate its mildness and ease of use. You will spot it most often in hydrating gels, calming masks and daily moisturizers for sensitive skin.

Overall safety is considered high because the alkaloids that give raw black nightshade its reputation are stripped out during extraction and the material stays on the surface rather than penetrating deeply. Still, everyone’s skin is unique so perform a quick patch test when trying any product that lists Solanum Nigrum Fruit Extract to make sure it agrees with you.

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