Solanum Tuberosum Pulp 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 Tuberosum Pulp Extract?

Solanum Tuberosum Pulp Extract is a cosmetic ingredient derived from the soft inner part of the common potato, Solanum tuberosum L., in the nightshade family. The pulp contains natural starches, simple sugars, amino acids, vitamin C, B vitamins and small amounts of minerals like potassium and magnesium. Long before it appeared on labels people used raw potato slices to calm skin and reduce puffiness, a tradition that inspired formulators to capture the same benefits in a stable form for today’s products.

Production starts with washing and crushing fresh potatoes to release the moist pulp. The mash is mixed with water, gently warmed, then passed through fine filters that separate fibers and solids. The resulting liquid is clarified, sterilized and blended with a mild preservative so it stays fresh when added to skincare.

Because it is water based and non-greasy the extract is common in sheet masks, wash-off masks, soothing gels, everyday moisturizers, anti-aging lotions, eye creams, after-sun formulas and calming toners.

Solanum Tuberosum Pulp Extract’s Cosmetic Benefits/Uses

In formulas Solanum Tuberosum Pulp Extract primarily acts as a smoothing agent. The natural starch forms a micro-thin layer on the skin that fills tiny gaps and softens rough spots resulting in a more even feel. This can make fine lines look less noticeable and leave the surface feeling comfortable and well conditioned.

Who Can Use Solanum Tuberosum Pulp Extract

This gentle water based extract suits most skin types including dry, normal, combination and sensitive because it delivers light hydration without clogging pores or leaving residue. Those with very oily skin can also use it comfortably as its starch layer is breathable and non greasy. Anyone with a known potato allergy should avoid it since the proteins that trigger a reaction in food can still be present in the topical extract.

The ingredient is plant derived and processed without animal by-products so it aligns with vegan and vegetarian lifestyles.

Current research shows no specific risk for pregnant or breastfeeding women when the extract is applied to skin, but this is not medical advice. Expecting or nursing mothers should run any skincare routine past a qualified health professional to be safe.

The extract does not increase photosensitivity and can be worn day or night without special sun precautions beyond daily sunscreen use.

Potential Side Effects/Adverse Reactions

Reactions to Solanum Tuberosum Pulp Extract vary from person to person. The effects listed below are possible yet uncommon when the ingredient is used in a well formulated product.

  • Redness or mild irritation
  • Itching or tingling shortly after application
  • Allergic contact dermatitis in individuals sensitive to potatoes
  • Rare clogging or small breakouts if heavy layers trap oil on very acne-prone skin
  • Stinging on freshly exfoliated or broken skin

If any discomfort, swelling or rash occurs stop use immediately and consult a healthcare professional.

Comedogenic Rating

Rating: 1/5

Solanum Tuberosum Pulp Extract is largely water and starch with very little oil, so it does not tend to block pores. The micro-thin film it leaves is breathable and easily rinsed away, making it far less likely to cause congestion than heavier plant butters or waxes. A small risk remains for very oily or severely acne-prone skin if thick layers are applied under occlusive products, which is why the score is not a perfect zero.

Overall this ingredient is considered suitable for most people who are prone to acne or breakouts.

Because the extract is often paired with other soothing actives in lightweight gels and masks the final formula is typically low in pore-clogging potential, but always check the full ingredient list to be sure.

Summary

Solanum Tuberosum Pulp Extract smooths, conditions and subtly hydrates by depositing a fine starch layer that fills tiny surface irregularities and holds light moisture next to the skin. This quick-acting film makes the complexion feel softer and can blur the look of fine lines.

While not as famous as aloe or green tea the potato pulp extract is gaining quiet popularity in sheet masks and calming gels thanks to its gentle nature, vegan origin and wallet-friendly cost.

Current data show it is safe for regular topical use with low risk of irritation or pore clogging. As with any new skincare ingredient it is wise to try a small patch first to confirm personal compatibility before applying it more broadly.

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