Lepidium Meyenii Root 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 Lepidium Meyenii Root Extract?

Lepidium Meyenii Root Extract, often called maca root extract, comes from the thick taproot of Lepidium meyenii, a hardy plant in the mustard family that grows high in the Andes. The root is packed with sugars, proteins, amino acids, minerals and small amounts of fatty acids, all of which give it a nourishing profile that suits skin care. While people in Peru have eaten maca for energy for centuries, interest in its skin benefits is recent. Formulators noticed its mix of sugars and amino acids could boost moisture and smoothness, so it started to appear in beauty labs in the early 2000s.

To make the extract, harvested roots are washed, dried in low heat to protect nutrients, then milled into a fine powder. The powder is soaked in water or a gentle plant based solvent, filtered and concentrated, leaving a liquid or powdered extract ready for creams and serums.

You will usually see Lepidium Meyenii Root Extract in hydrating face creams, anti-aging serums, sheet masks, eye gels and after-sun lotions where it works alongside humectants and oils to keep skin soft and supple.

Lepidium Meyenii Root Extract’s Cosmetic Benefits/Uses

This ingredient is prized for the way it improves how skin looks and feels.

Skin conditioning: The natural sugars draw water to the surface layers so skin stays plump and smooth while amino acids support a healthy barrier. Regular use can leave the complexion softer, more elastic and better able to handle daily stress.

Who Can Use Lepidium Meyenii Root Extract

Lepidium Meyenii Root Extract is generally gentle enough for all major skin types, including dry, normal, combination and oily. Its water-binding sugars help hydrate dry or mature skin while the lightweight finish will not feel heavy on oilier complexions. Sensitive skin usually tolerates it well because the extract is low in known irritants, though anyone with a mustard or cruciferous vegetable allergy should be cautious since the plant is in the same family.

The extract is plant derived with no animal by-products, so it is suitable for vegans and vegetarians. Manufacturing methods are typically solvent free or use food-grade plant solvents, keeping the ingredient in line with most clean beauty standards.

No research suggests topical Lepidium Meyenii Root Extract poses a risk to pregnant or breastfeeding women. Still, this is not medical advice and anyone who is expecting or nursing should show the ingredient list to a qualified healthcare professional before use to be safe.

The extract does not cause photosensitivity, meaning it will not make skin more prone to sunburn. Standard daytime sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Side effects from topical Lepidium Meyenii Root Extract can vary from person to person. The following outlines potential reactions that can occur in rare cases. Assuming the ingredient is properly formulated most users will not encounter these issues.

  • Mild redness or stinging – may appear in highly sensitive skin during initial applications
  • Allergic contact dermatitis – possible in individuals allergic to plants in the mustard family
  • Small breakouts – very oily or acne-prone skin might experience clogged pores if the overall formula is rich or occlusive
  • Eye irritation – discomfort can occur if the product migrates into the eyes

If any persistent irritation or other adverse effect develops stop using the product and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 1/5. Lepidium Meyenii Root Extract is mainly composed of water-binding sugars, amino acids and small amounts of lightweight plant metabolites, none of which have a tendency to block pores. Because it is usually added in low concentrations to water-based formulas its clogging potential is minimal. Someone who is highly acne-prone could still react if the overall product contains heavy oils or waxes, but the extract itself is very unlikely to be the culprit. In short, most people prone to breakouts can use products featuring this ingredient without extra concern.

Summary

Lepidium Meyenii Root Extract conditions skin by drawing moisture into the surface layers and supporting the barrier with its natural mix of sugars and amino acids. This leaves skin softer, smoother and more resilient against daily stress. While not as famous as hyaluronic acid or niacinamide it is gaining steady attention in hydrating creams, serums and after-sun care thanks to its gentle profile and plant-based appeal. Safety data shows a very low risk of irritation or sensitization when used topically, making it suitable for most skin types and life stages. As with any new skincare ingredient a quick patch test is wise so you can enjoy its benefits confidently.

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