Lathyrus Odoratus Seed 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: July 1, 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 Lathyrus Odoratus Seed Extract?

Lathyrus Odoratus Seed Extract comes from the seeds of the sweet pea plant, a flowering vine best known for its colorful, fragrant blooms often found in home gardens. Chemically, the extract is rich in proteins, sugars and small peptides that can sit on the skin’s surface and form a lightweight, breathable film. Sweet pea seeds have long been valued in folk remedies for their soothing touch, and modern formulators noticed that the same seed compounds could help guard skin from daily wear and tear. To produce the extract, cleaned seeds are typically soaked in a mix of water and gentle solvents, then filtered to collect the active plant material. The resulting liquid is distilled and concentrated into a stable form that blends easily into creams, lotions and serums. You will most often spot Lathyrus Odoratus Seed Extract in moisturizers, protective day creams, anti-aging formulas and leave-on masks aimed at shielding skin from environmental stressors.

Lathyrus Odoratus Seed Extract’s Cosmetic Benefits/Uses

In skin care, this seed extract serves one main purpose.

As a skin protecting ingredient, it forms a soft, invisible film that helps defend the complexion against pollutants, harsh weather and moisture loss. This barrier effect can make skin feel smoother, support hydration levels and enhance the overall comfort of a formula without leaving a heavy or greasy finish.

Who Can Use Lathyrus Odoratus Seed Extract

This gentle seed extract is generally well tolerated by all skin types, including sensitive, oily, dry, normal and combination skin. Because it is primarily a surface-protecting film former rather than an active exfoliant or potent antioxidant, it rarely triggers irritation or breakouts and it will not clog pores.

The ingredient is completely plant derived, making it suitable for vegans and vegetarians as long as the finished product is not blended with animal-derived additives such as beeswax or lanolin.

Current research shows no specific risks linked to topical use during pregnancy or while breastfeeding. Still, this is not medical advice and anyone who is pregnant or nursing should confirm the safety of any skincare product with a qualified healthcare professional.

Lathyrus Odoratus Seed Extract is not known to increase photosensitivity, so it will not make skin more prone to sunburn. Normal sun protection practices should still be followed.

Potential Side Effects/Adverse Reactions

Individual responses to Lathyrus Odoratus Seed Extract can vary. The points below highlight potential side effects though most people will not experience them when the ingredient is included at standard cosmetic levels.

  • Mild redness or stinging in very sensitive skin, usually short lived and disappearing once the product is rinsed off or discontinued
  • Contact dermatitis in rare cases where a person has a specific allergy to sweet pea or legume family plants
  • Product pilling if layered with heavy silicones or high silicone primers because the extract forms a surface film

If any discomfort, rash or persistent irritation occurs stop using the product and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 1 (very low). Lathyrus Odoratus Seed Extract is largely water soluble and contains minimal fatty material so it does not tend to block pores. Its main action is to form a light breathable film on the surface of skin rather than sinking into sebaceous follicles where clogs start. For these reasons it is usually suitable for people who are prone to acne or breakouts. As with any film former, the final formula matters: if the product also includes heavy oils or waxes the overall comedogenic potential can rise even though the extract itself remains low.

Summary

Lathyrus Odoratus Seed Extract works primarily as a skin protecting ingredient. By depositing a thin flexible layer of plant-derived proteins and sugars it helps shield the complexion from pollution, harsh weather and water loss which can leave skin feeling smoother and more comfortable. Although not a headline act like vitamin C or retinol it shows up in a modest number of moisturizers, day creams and masks where formulators want a gentle botanical film former.

Overall safety is high with only rare reports of irritation or allergy. Still, skin is personal so it is smart to patch test any new product containing this extract before diving into full-face use.

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